Home / 663,787,807.20-995,681,710.80-249,263,827.20

Finding the Fourth Proportional to 663,787,807.20, 995,681,710.80 and 249,263,827.20

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Solution

The fourth proportional to 663,787,807.20, 995,681,710.80 and 249,263,827.20 is: 373,895,740.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    663,787,807.20 : 995,681,710.80 = 249,263,827.20 : x
  2. Step 2: Convert to fraction form
    663,787,807.20/995,681,710.80 = 249,263,827.20/x
  3. Step 3: Cross multiply
    663,787,807.20x = 995,681,710.80 × 249,263,827.20
  4. Step 4: Simplify right side
    663,787,807.20x = 248,187,433,907,051,552
  5. Step 5: Solve for x
    x = 248,187,433,907,051,552/663,787,807.20
  6. Step 6: Final answer
    x = 373,895,740.80

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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.