Home / 532,238,809.20-798,358,213.80-388,911,577.20

Finding the Fourth Proportional to 532,238,809.20, 798,358,213.80 and 388,911,577.20

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Solution

The fourth proportional to 532,238,809.20, 798,358,213.80 and 388,911,577.20 is: 583,367,365.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,238,809.20 : 798,358,213.80 = 388,911,577.20 : x
  2. Step 2: Convert to fraction form
    532,238,809.20/798,358,213.80 = 388,911,577.20/x
  3. Step 3: Cross multiply
    532,238,809.20x = 798,358,213.80 × 388,911,577.20
  4. Step 4: Simplify right side
    532,238,809.20x = 310,490,752,099,532,800
  5. Step 5: Solve for x
    x = 310,490,752,099,532,800/532,238,809.20
  6. Step 6: Final answer
    x = 583,367,365.80

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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.