Home / 452,709,108.90-679,063,663.35-129,592,980.90

Finding the Fourth Proportional to 452,709,108.90, 679,063,663.35 and 129,592,980.90

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Solution

The fourth proportional to 452,709,108.90, 679,063,663.35 and 129,592,980.90 is: 194,389,471.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,709,108.90 : 679,063,663.35 = 129,592,980.90 : x
  2. Step 2: Convert to fraction form
    452,709,108.90/679,063,663.35 = 129,592,980.90/x
  3. Step 3: Cross multiply
    452,709,108.90x = 679,063,663.35 × 129,592,980.90
  4. Step 4: Simplify right side
    452,709,108.90x = 88,001,884,354,400,592
  5. Step 5: Solve for x
    x = 88,001,884,354,400,592/452,709,108.90
  6. Step 6: Final answer
    x = 194,389,471.35

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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.