Home / 558,813,892.36-771,128,424.84-307,904,243.03

Finding the Fourth Proportional to 558,813,892.36, 771,128,424.84 and 307,904,243.03

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Solution

The fourth proportional to 558,813,892.36, 771,128,424.84 and 307,904,243.03 is: 424,888,710.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,813,892.36 : 771,128,424.84 = 307,904,243.03 : x
  2. Step 2: Convert to fraction form
    558,813,892.36/771,128,424.84 = 307,904,243.03/x
  3. Step 3: Cross multiply
    558,813,892.36x = 771,128,424.84 × 307,904,243.03
  4. Step 4: Simplify right side
    558,813,892.36x = 237,433,713,929,276,448
  5. Step 5: Solve for x
    x = 237,433,713,929,276,448/558,813,892.36
  6. Step 6: Final answer
    x = 424,888,710.13

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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.