Home / 538,344,002.80-807,516,004.20-174,875,100.40

Finding the Fourth Proportional to 538,344,002.80, 807,516,004.20 and 174,875,100.40

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Solution

The fourth proportional to 538,344,002.80, 807,516,004.20 and 174,875,100.40 is: 262,312,650.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,344,002.80 : 807,516,004.20 = 174,875,100.40 : x
  2. Step 2: Convert to fraction form
    538,344,002.80/807,516,004.20 = 174,875,100.40/x
  3. Step 3: Cross multiply
    538,344,002.80x = 807,516,004.20 × 174,875,100.40
  4. Step 4: Simplify right side
    538,344,002.80x = 141,214,442,309,081,840
  5. Step 5: Solve for x
    x = 141,214,442,309,081,840/538,344,002.80
  6. Step 6: Final answer
    x = 262,312,650.60

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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.