Home / 457,702,154,136.73-686,553,231,205.09-139,345,824,309.13

Finding the Fourth Proportional to 457,702,154,136.73, 686,553,231,205.09 and 139,345,824,309.13

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Solution

The fourth proportional to 457,702,154,136.73, 686,553,231,205.09 and 139,345,824,309.13 is: 209,018,736,463.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,702,154,136.73 : 686,553,231,205.09 = 139,345,824,309.13 : x
  2. Step 2: Convert to fraction form
    457,702,154,136.73/686,553,231,205.09 = 139,345,824,309.13/x
  3. Step 3: Cross multiply
    457,702,154,136.73x = 686,553,231,205.09 × 139,345,824,309.13
  4. Step 4: Simplify right side
    457,702,154,136.73x = 95,668,325,934,369,978,974,208
  5. Step 5: Solve for x
    x = 95,668,325,934,369,978,974,208/457,702,154,136.73
  6. Step 6: Final answer
    x = 209,018,736,463.69

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.