Home / 1,270,637,712.90-1,753,522,622.36-706,146,382.76

Finding the Fourth Proportional to 1,270,637,712.90, 1,753,522,622.36 and 706,146,382.76

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Solution

The fourth proportional to 1,270,637,712.90, 1,753,522,622.36 and 706,146,382.76 is: 974,505,670.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,270,637,712.90 : 1,753,522,622.36 = 706,146,382.76 : x
  2. Step 2: Convert to fraction form
    1,270,637,712.90/1,753,522,622.36 = 706,146,382.76/x
  3. Step 3: Cross multiply
    1,270,637,712.90x = 1,753,522,622.36 × 706,146,382.76
  4. Step 4: Simplify right side
    1,270,637,712.90x = 1,238,243,656,855,045,120
  5. Step 5: Solve for x
    x = 1,238,243,656,855,045,120/1,270,637,712.90
  6. Step 6: Final answer
    x = 974,505,670.88

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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.