Home / 779,221,902.97-1,170,697,521.04-499,650,560.78

Finding the Fourth Proportional to 779,221,902.97, 1,170,697,521.04 and 499,650,560.78

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Solution

The fourth proportional to 779,221,902.97, 1,170,697,521.04 and 499,650,560.78 is: 750,671,497.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    779,221,902.97 : 1,170,697,521.04 = 499,650,560.78 : x
  2. Step 2: Convert to fraction form
    779,221,902.97/1,170,697,521.04 = 499,650,560.78/x
  3. Step 3: Cross multiply
    779,221,902.97x = 1,170,697,521.04 × 499,650,560.78
  4. Step 4: Simplify right side
    779,221,902.97x = 584,939,672,893,069,440
  5. Step 5: Solve for x
    x = 584,939,672,893,069,440/779,221,902.97
  6. Step 6: Final answer
    x = 750,671,497.64

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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.