Home / 265,787,411.20-398,681,116.80-249,631,604.80

Finding the Fourth Proportional to 265,787,411.20, 398,681,116.80 and 249,631,604.80

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Solution

The fourth proportional to 265,787,411.20, 398,681,116.80 and 249,631,604.80 is: 374,447,407.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,787,411.20 : 398,681,116.80 = 249,631,604.80 : x
  2. Step 2: Convert to fraction form
    265,787,411.20/398,681,116.80 = 249,631,604.80/x
  3. Step 3: Cross multiply
    265,787,411.20x = 398,681,116.80 × 249,631,604.80
  4. Step 4: Simplify right side
    265,787,411.20x = 99,523,406,990,240,256
  5. Step 5: Solve for x
    x = 99,523,406,990,240,256/265,787,411.20
  6. Step 6: Final answer
    x = 374,447,407.20

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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.