Home / 1,272,049,010.10-1,755,417,074.13-715,134,533.94

Finding the Fourth Proportional to 1,272,049,010.10, 1,755,417,074.13 and 715,134,533.94

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Solution

The fourth proportional to 1,272,049,010.10, 1,755,417,074.13 and 715,134,533.94 is: 986,879,720.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,272,049,010.10 : 1,755,417,074.13 = 715,134,533.94 : x
  2. Step 2: Convert to fraction form
    1,272,049,010.10/1,755,417,074.13 = 715,134,533.94/x
  3. Step 3: Cross multiply
    1,272,049,010.10x = 1,755,417,074.13 × 715,134,533.94
  4. Step 4: Simplify right side
    1,272,049,010.10x = 1,255,359,371,178,276,096
  5. Step 5: Solve for x
    x = 1,255,359,371,178,276,096/1,272,049,010.10
  6. Step 6: Final answer
    x = 986,879,720.21

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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.