Home / 649,539,420.10-974,309,130.15-164,865,228.10

Finding the Fourth Proportional to 649,539,420.10, 974,309,130.15 and 164,865,228.10

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Solution

The fourth proportional to 649,539,420.10, 974,309,130.15 and 164,865,228.10 is: 247,297,842.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,539,420.10 : 974,309,130.15 = 164,865,228.10 : x
  2. Step 2: Convert to fraction form
    649,539,420.10/974,309,130.15 = 164,865,228.10/x
  3. Step 3: Cross multiply
    649,539,420.10x = 974,309,130.15 × 164,865,228.10
  4. Step 4: Simplify right side
    649,539,420.10x = 160,629,696,982,092,320
  5. Step 5: Solve for x
    x = 160,629,696,982,092,320/649,539,420.10
  6. Step 6: Final answer
    x = 247,297,842.15

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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.