Home / 762,765,221,101.18-1,143,750,551,620.40-359,740,479,028.69

Finding the Fourth Proportional to 762,765,221,101.18, 1,143,750,551,620.40 and 359,740,479,028.69

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Solution

The fourth proportional to 762,765,221,101.18, 1,143,750,551,620.40 and 359,740,479,028.69 is: 539,423,350,654.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,765,221,101.18 : 1,143,750,551,620.40 = 359,740,479,028.69 : x
  2. Step 2: Convert to fraction form
    762,765,221,101.18/1,143,750,551,620.40 = 359,740,479,028.69/x
  3. Step 3: Cross multiply
    762,765,221,101.18x = 1,143,750,551,620.40 × 359,740,479,028.69
  4. Step 4: Simplify right side
    762,765,221,101.18x = 411,453,371,329,251,077,259,264
  5. Step 5: Solve for x
    x = 411,453,371,329,251,077,259,264/762,765,221,101.18
  6. Step 6: Final answer
    x = 539,423,350,654.67

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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.