Home / 452,709,010.40-679,063,515.60-129,592,882.40

Finding the Fourth Proportional to 452,709,010.40, 679,063,515.60 and 129,592,882.40

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Solution

The fourth proportional to 452,709,010.40, 679,063,515.60 and 129,592,882.40 is: 194,389,323.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,709,010.40 : 679,063,515.60 = 129,592,882.40 : x
  2. Step 2: Convert to fraction form
    452,709,010.40/679,063,515.60 = 129,592,882.40/x
  3. Step 3: Cross multiply
    452,709,010.40x = 679,063,515.60 × 129,592,882.40
  4. Step 4: Simplify right side
    452,709,010.40x = 88,001,798,319,281,376
  5. Step 5: Solve for x
    x = 88,001,798,319,281,376/452,709,010.40
  6. Step 6: Final answer
    x = 194,389,323.60

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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.