Home / 864,061,217.35-1,192,276,208.84-524,793,144.15

Finding the Fourth Proportional to 864,061,217.35, 1,192,276,208.84 and 524,793,144.15

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Solution

The fourth proportional to 864,061,217.35, 1,192,276,208.84 and 524,793,144.15 is: 724,136,632.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    864,061,217.35 : 1,192,276,208.84 = 524,793,144.15 : x
  2. Step 2: Convert to fraction form
    864,061,217.35/1,192,276,208.84 = 524,793,144.15/x
  3. Step 3: Cross multiply
    864,061,217.35x = 1,192,276,208.84 × 524,793,144.15
  4. Step 4: Simplify right side
    864,061,217.35x = 625,698,380,329,761,664
  5. Step 5: Solve for x
    x = 625,698,380,329,761,664/864,061,217.35
  6. Step 6: Final answer
    x = 724,136,632.65

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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.