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Finding the Fourth Proportional to 622,792,368.90, 933,550,824.15 and 363,874,313.70

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Solution

The fourth proportional to 622,792,368.90, 933,550,824.15 and 363,874,313.70 is: 545,438,869.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    622,792,368.90 : 933,550,824.15 = 363,874,313.70 : x
  2. Step 2: Convert to fraction form
    622,792,368.90/933,550,824.15 = 363,874,313.70/x
  3. Step 3: Cross multiply
    622,792,368.90x = 933,550,824.15 × 363,874,313.70
  4. Step 4: Simplify right side
    622,792,368.90x = 339,695,165,441,650,624
  5. Step 5: Solve for x
    x = 339,695,165,441,650,624/622,792,368.90
  6. Step 6: Final answer
    x = 545,438,869.20

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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.