Home / 880,402,440.20-1,317,468,377.10-766,636,449.80

Finding the Fourth Proportional to 880,402,440.20, 1,317,468,377.10 and 766,636,449.80

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Solution

The fourth proportional to 880,402,440.20, 1,317,468,377.10 and 766,636,449.80 is: 1,147,224,534.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    880,402,440.20 : 1,317,468,377.10 = 766,636,449.80 : x
  2. Step 2: Convert to fraction form
    880,402,440.20/1,317,468,377.10 = 766,636,449.80/x
  3. Step 3: Cross multiply
    880,402,440.20x = 1,317,468,377.10 × 766,636,449.80
  4. Step 4: Simplify right side
    880,402,440.20x = 1,010,019,279,343,711,488
  5. Step 5: Solve for x
    x = 1,010,019,279,343,711,488/880,402,440.20
  6. Step 6: Final answer
    x = 1,147,224,534.17

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1.5x scale

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.