Home / 258,609,493,622.60-356,829,341,819.90-144,406,542,809.61

Finding the Fourth Proportional to 258,609,493,622.60, 356,829,341,819.90 and 144,406,542,809.61

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Solution

The fourth proportional to 258,609,493,622.60, 356,829,341,819.90 and 144,406,542,809.61 is: 199,252,126,839.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,609,493,622.60 : 356,829,341,819.90 = 144,406,542,809.61 : x
  2. Step 2: Convert to fraction form
    258,609,493,622.60/356,829,341,819.90 = 144,406,542,809.61/x
  3. Step 3: Cross multiply
    258,609,493,622.60x = 356,829,341,819.90 × 144,406,542,809.61
  4. Step 4: Simplify right side
    258,609,493,622.60x = 51,528,491,625,240,344,920,064
  5. Step 5: Solve for x
    x = 51,528,491,625,240,344,920,064/258,609,493,622.60
  6. Step 6: Final answer
    x = 199,252,126,839.70

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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.