Home / 532,236,164.20-798,354,246.30-388,908,932.20

Finding the Fourth Proportional to 532,236,164.20, 798,354,246.30 and 388,908,932.20

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Solution

The fourth proportional to 532,236,164.20, 798,354,246.30 and 388,908,932.20 is: 583,363,398.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,236,164.20 : 798,354,246.30 = 388,908,932.20 : x
  2. Step 2: Convert to fraction form
    532,236,164.20/798,354,246.30 = 388,908,932.20/x
  3. Step 3: Cross multiply
    532,236,164.20x = 798,354,246.30 × 388,908,932.20
  4. Step 4: Simplify right side
    532,236,164.20x = 310,487,097,445,868,800
  5. Step 5: Solve for x
    x = 310,487,097,445,868,800/532,236,164.20
  6. Step 6: Final answer
    x = 583,363,398.30

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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.