Home / 538,921,218.10-808,381,827.15-193,886,101.30

Finding the Fourth Proportional to 538,921,218.10, 808,381,827.15 and 193,886,101.30

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Solution

The fourth proportional to 538,921,218.10, 808,381,827.15 and 193,886,101.30 is: 290,829,151.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,921,218.10 : 808,381,827.15 = 193,886,101.30 : x
  2. Step 2: Convert to fraction form
    538,921,218.10/808,381,827.15 = 193,886,101.30/x
  3. Step 3: Cross multiply
    538,921,218.10x = 808,381,827.15 × 193,886,101.30
  4. Step 4: Simplify right side
    538,921,218.10x = 156,734,000,827,884,000
  5. Step 5: Solve for x
    x = 156,734,000,827,884,000/538,921,218.10
  6. Step 6: Final answer
    x = 290,829,151.95

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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.