Home / 880,402,425.20-1,317,468,354.60-766,636,434.80

Finding the Fourth Proportional to 880,402,425.20, 1,317,468,354.60 and 766,636,434.80

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Solution

The fourth proportional to 880,402,425.20, 1,317,468,354.60 and 766,636,434.80 is: 1,147,224,511.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    880,402,425.20 : 1,317,468,354.60 = 766,636,434.80 : x
  2. Step 2: Convert to fraction form
    880,402,425.20/1,317,468,354.60 = 766,636,434.80/x
  3. Step 3: Cross multiply
    880,402,425.20x = 1,317,468,354.60 × 766,636,434.80
  4. Step 4: Simplify right side
    880,402,425.20x = 1,010,019,242,332,366,080
  5. Step 5: Solve for x
    x = 1,010,019,242,332,366,080/880,402,425.20
  6. Step 6: Final answer
    x = 1,147,224,511.68

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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.