Home / 1,508,968,394.18-2,082,376,480.01-839,899,035.85

Finding the Fourth Proportional to 1,508,968,394.18, 2,082,376,480.01 and 839,899,035.85

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Solution

The fourth proportional to 1,508,968,394.18, 2,082,376,480.01 and 839,899,035.85 is: 1,159,060,722.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,508,968,394.18 : 2,082,376,480.01 = 839,899,035.85 : x
  2. Step 2: Convert to fraction form
    1,508,968,394.18/2,082,376,480.01 = 839,899,035.85/x
  3. Step 3: Cross multiply
    1,508,968,394.18x = 2,082,376,480.01 × 839,899,035.85
  4. Step 4: Simplify right side
    1,508,968,394.18x = 1,748,985,997,831,666,944
  5. Step 5: Solve for x
    x = 1,748,985,997,831,666,944/1,508,968,394.18
  6. Step 6: Final answer
    x = 1,159,060,722.92

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Double scale
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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.