Home / 1,008,839,829.60-1,513,306,983.60-318,801,088.80

Finding the Fourth Proportional to 1,008,839,829.60, 1,513,306,983.60 and 318,801,088.80

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Solution

The fourth proportional to 1,008,839,829.60, 1,513,306,983.60 and 318,801,088.80 is: 478,216,561.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,008,839,829.60 : 1,513,306,983.60 = 318,801,088.80 : x
  2. Step 2: Convert to fraction form
    1,008,839,829.60/1,513,306,983.60 = 318,801,088.80/x
  3. Step 3: Cross multiply
    1,008,839,829.60x = 1,513,306,983.60 × 318,801,088.80
  4. Step 4: Simplify right side
    1,008,839,829.60x = 482,443,914,060,323,712
  5. Step 5: Solve for x
    x = 482,443,914,060,323,712/1,008,839,829.60
  6. Step 6: Final answer
    x = 478,216,561.15

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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.