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Finding the Fourth Proportional to 629,792,339.34, 869,286,293.88 and 365,559,459.96

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Solution

The fourth proportional to 629,792,339.34, 869,286,293.88 and 365,559,459.96 is: 504,572,393.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,792,339.34 : 869,286,293.88 = 365,559,459.96 : x
  2. Step 2: Convert to fraction form
    629,792,339.34/869,286,293.88 = 365,559,459.96/x
  3. Step 3: Cross multiply
    629,792,339.34x = 869,286,293.88 × 365,559,459.96
  4. Step 4: Simplify right side
    629,792,339.34x = 317,775,828,141,402,624
  5. Step 5: Solve for x
    x = 317,775,828,141,402,624/629,792,339.34
  6. Step 6: Final answer
    x = 504,572,393.62

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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.