Home / 343,260,979.20-514,891,468.80-234,421,862.40

Finding the Fourth Proportional to 343,260,979.20, 514,891,468.80 and 234,421,862.40

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Solution

The fourth proportional to 343,260,979.20, 514,891,468.80 and 234,421,862.40 is: 351,632,793.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,260,979.20 : 514,891,468.80 = 234,421,862.40 : x
  2. Step 2: Convert to fraction form
    343,260,979.20/514,891,468.80 = 234,421,862.40/x
  3. Step 3: Cross multiply
    343,260,979.20x = 514,891,468.80 × 234,421,862.40
  4. Step 4: Simplify right side
    343,260,979.20x = 120,701,817,049,967,504
  5. Step 5: Solve for x
    x = 120,701,817,049,967,504/343,260,979.20
  6. Step 6: Final answer
    x = 351,632,793.60

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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.