Home / 416,098,862.40-574,602,415.20-311,495,332.80

Finding the Fourth Proportional to 416,098,862.40, 574,602,415.20 and 311,495,332.80

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Solution

The fourth proportional to 416,098,862.40, 574,602,415.20 and 311,495,332.80 is: 430,152,511.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,098,862.40 : 574,602,415.20 = 311,495,332.80 : x
  2. Step 2: Convert to fraction form
    416,098,862.40/574,602,415.20 = 311,495,332.80/x
  3. Step 3: Cross multiply
    416,098,862.40x = 574,602,415.20 × 311,495,332.80
  4. Step 4: Simplify right side
    416,098,862.40x = 178,985,970,550,407,808
  5. Step 5: Solve for x
    x = 178,985,970,550,407,808/416,098,862.40
  6. Step 6: Final answer
    x = 430,152,511.16

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.