Home / 1,210,495,889.55-1,670,432,714.73-674,619,039.84

Finding the Fourth Proportional to 1,210,495,889.55, 1,670,432,714.73 and 674,619,039.84

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Solution

The fourth proportional to 1,210,495,889.55, 1,670,432,714.73 and 674,619,039.84 is: 930,945,510.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,210,495,889.55 : 1,670,432,714.73 = 674,619,039.84 : x
  2. Step 2: Convert to fraction form
    1,210,495,889.55/1,670,432,714.73 = 674,619,039.84/x
  3. Step 3: Cross multiply
    1,210,495,889.55x = 1,670,432,714.73 × 674,619,039.84
  4. Step 4: Simplify right side
    1,210,495,889.55x = 1,126,905,714,128,477,312
  5. Step 5: Solve for x
    x = 1,126,905,714,128,477,312/1,210,495,889.55
  6. Step 6: Final answer
    x = 930,945,510.73

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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.