Home / 629,792,307.63-869,286,250.17-365,559,428.30

Finding the Fourth Proportional to 629,792,307.63, 869,286,250.17 and 365,559,428.30

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Solution

The fourth proportional to 629,792,307.63, 869,286,250.17 and 365,559,428.30 is: 504,572,349.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,792,307.63 : 869,286,250.17 = 365,559,428.30 : x
  2. Step 2: Convert to fraction form
    629,792,307.63/869,286,250.17 = 365,559,428.30/x
  3. Step 3: Cross multiply
    629,792,307.63x = 869,286,250.17 × 365,559,428.30
  4. Step 4: Simplify right side
    629,792,307.63x = 317,775,784,636,849,536
  5. Step 5: Solve for x
    x = 317,775,784,636,849,536/629,792,307.63
  6. Step 6: Final answer
    x = 504,572,349.94

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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.