Home / 577,205,989.20-865,808,983.80-168,275,480.40

Finding the Fourth Proportional to 577,205,989.20, 865,808,983.80 and 168,275,480.40

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Solution

The fourth proportional to 577,205,989.20, 865,808,983.80 and 168,275,480.40 is: 252,413,220.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,205,989.20 : 865,808,983.80 = 168,275,480.40 : x
  2. Step 2: Convert to fraction form
    577,205,989.20/865,808,983.80 = 168,275,480.40/x
  3. Step 3: Cross multiply
    577,205,989.20x = 865,808,983.80 × 168,275,480.40
  4. Step 4: Simplify right side
    577,205,989.20x = 145,694,422,683,580,800
  5. Step 5: Solve for x
    x = 145,694,422,683,580,800/577,205,989.20
  6. Step 6: Final answer
    x = 252,413,220.60

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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.