Home / 663,552,459.20-995,328,688.80-459,023,614.40

Finding the Fourth Proportional to 663,552,459.20, 995,328,688.80 and 459,023,614.40

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Solution

The fourth proportional to 663,552,459.20, 995,328,688.80 and 459,023,614.40 is: 688,535,421.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    663,552,459.20 : 995,328,688.80 = 459,023,614.40 : x
  2. Step 2: Convert to fraction form
    663,552,459.20/995,328,688.80 = 459,023,614.40/x
  3. Step 3: Cross multiply
    663,552,459.20x = 995,328,688.80 × 459,023,614.40
  4. Step 4: Simplify right side
    663,552,459.20x = 456,879,372,248,988,736
  5. Step 5: Solve for x
    x = 456,879,372,248,988,736/663,552,459.20
  6. Step 6: Final answer
    x = 688,535,421.60

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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.