Home / 629,859,125.60-944,788,688.40-553,331,621.60

Finding the Fourth Proportional to 629,859,125.60, 944,788,688.40 and 553,331,621.60

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Solution

The fourth proportional to 629,859,125.60, 944,788,688.40 and 553,331,621.60 is: 829,997,432.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,859,125.60 : 944,788,688.40 = 553,331,621.60 : x
  2. Step 2: Convert to fraction form
    629,859,125.60/944,788,688.40 = 553,331,621.60/x
  3. Step 3: Cross multiply
    629,859,125.60x = 944,788,688.40 × 553,331,621.60
  4. Step 4: Simplify right side
    629,859,125.60x = 522,781,457,021,709,120
  5. Step 5: Solve for x
    x = 522,781,457,021,709,120/629,859,125.60
  6. Step 6: Final answer
    x = 829,997,432.40

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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.