Home / 558,840,542.80-838,260,814.20-555,014,167.60

Finding the Fourth Proportional to 558,840,542.80, 838,260,814.20 and 555,014,167.60

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Solution

The fourth proportional to 558,840,542.80, 838,260,814.20 and 555,014,167.60 is: 832,521,251.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,840,542.80 : 838,260,814.20 = 555,014,167.60 : x
  2. Step 2: Convert to fraction form
    558,840,542.80/838,260,814.20 = 555,014,167.60/x
  3. Step 3: Cross multiply
    558,840,542.80x = 838,260,814.20 × 555,014,167.60
  4. Step 4: Simplify right side
    558,840,542.80x = 465,246,628,024,911,296
  5. Step 5: Solve for x
    x = 465,246,628,024,911,296/558,840,542.80
  6. Step 6: Final answer
    x = 832,521,251.40

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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.