Home / 864,061,222.95-1,192,276,216.58-524,793,149.78

Finding the Fourth Proportional to 864,061,222.95, 1,192,276,216.58 and 524,793,149.78

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Solution

The fourth proportional to 864,061,222.95, 1,192,276,216.58 and 524,793,149.78 is: 724,136,640.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    864,061,222.95 : 1,192,276,216.58 = 524,793,149.78 : x
  2. Step 2: Convert to fraction form
    864,061,222.95/1,192,276,216.58 = 524,793,149.78/x
  3. Step 3: Cross multiply
    864,061,222.95x = 1,192,276,216.58 × 524,793,149.78
  4. Step 4: Simplify right side
    864,061,222.95x = 625,698,391,098,214,272
  5. Step 5: Solve for x
    x = 625,698,391,098,214,272/864,061,222.95
  6. Step 6: Final answer
    x = 724,136,640.41

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1.5x scale

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.