Home / 651,376,718.28-976,828,553.25-356,489,776.65

Finding the Fourth Proportional to 651,376,718.28, 976,828,553.25 and 356,489,776.65

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Solution

The fourth proportional to 651,376,718.28, 976,828,553.25 and 356,489,776.65 is: 534,605,218.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,376,718.28 : 976,828,553.25 = 356,489,776.65 : x
  2. Step 2: Convert to fraction form
    651,376,718.28/976,828,553.25 = 356,489,776.65/x
  3. Step 3: Cross multiply
    651,376,718.28x = 976,828,553.25 × 356,489,776.65
  4. Step 4: Simplify right side
    651,376,718.28x = 348,229,392,773,435,136
  5. Step 5: Solve for x
    x = 348,229,392,773,435,136/651,376,718.28
  6. Step 6: Final answer
    x = 534,605,218.46

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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.