Home / 980,262,155.52-1,352,761,987.68-534,225,624.48

Finding the Fourth Proportional to 980,262,155.52, 1,352,761,987.68 and 534,225,624.48

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Solution

The fourth proportional to 980,262,155.52, 1,352,761,987.68 and 534,225,624.48 is: 737,231,477.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    980,262,155.52 : 1,352,761,987.68 = 534,225,624.48 : x
  2. Step 2: Convert to fraction form
    980,262,155.52/1,352,761,987.68 = 534,225,624.48/x
  3. Step 3: Cross multiply
    980,262,155.52x = 1,352,761,987.68 × 534,225,624.48
  4. Step 4: Simplify right side
    980,262,155.52x = 722,680,117,641,154,176
  5. Step 5: Solve for x
    x = 722,680,117,641,154,176/980,262,155.52
  6. Step 6: Final answer
    x = 737,231,477.90

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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.