Home / 674,129,307.20-1,011,193,960.80-469,888,001.60

Finding the Fourth Proportional to 674,129,307.20, 1,011,193,960.80 and 469,888,001.60

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Solution

The fourth proportional to 674,129,307.20, 1,011,193,960.80 and 469,888,001.60 is: 704,832,002.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    674,129,307.20 : 1,011,193,960.80 = 469,888,001.60 : x
  2. Step 2: Convert to fraction form
    674,129,307.20/1,011,193,960.80 = 469,888,001.60/x
  3. Step 3: Cross multiply
    674,129,307.20x = 1,011,193,960.80 × 469,888,001.60
  4. Step 4: Simplify right side
    674,129,307.20x = 475,147,909,470,300,736
  5. Step 5: Solve for x
    x = 475,147,909,470,300,736/674,129,307.20
  6. Step 6: Final answer
    x = 704,832,002.40

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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.