Home / 1,508,783,094.17-2,082,189,234.70-839,770,988.76

Finding the Fourth Proportional to 1,508,783,094.17, 2,082,189,234.70 and 839,770,988.76

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Solution

The fourth proportional to 1,508,783,094.17, 2,082,189,234.70 and 839,770,988.76 is: 1,158,922,126.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,508,783,094.17 : 2,082,189,234.70 = 839,770,988.76 : x
  2. Step 2: Convert to fraction form
    1,508,783,094.17/2,082,189,234.70 = 839,770,988.76/x
  3. Step 3: Cross multiply
    1,508,783,094.17x = 2,082,189,234.70 × 839,770,988.76
  4. Step 4: Simplify right side
    1,508,783,094.17x = 1,748,562,112,409,446,656
  5. Step 5: Solve for x
    x = 1,748,562,112,409,446,656/1,508,783,094.17
  6. Step 6: Final answer
    x = 1,158,922,126.82

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Half scale
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Double scale
Find fourth proportional to 1,508,783,095.17, 2,082,189,236.08 and 839,770,989.76
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.