Home / 390,287,176-584,650,235.04-234,755,108.08

Finding the Fourth Proportional to 390,287,176, 584,650,235.04 and 234,755,108.08

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Solution

The fourth proportional to 390,287,176, 584,650,235.04 and 234,755,108.08 is: 351,663,179.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    390,287,176 : 584,650,235.04 = 234,755,108.08 : x
  2. Step 2: Convert to fraction form
    390,287,176/584,650,235.04 = 234,755,108.08/x
  3. Step 3: Cross multiply
    390,287,176x = 584,650,235.04 × 234,755,108.08
  4. Step 4: Simplify right side
    390,287,176x = 137,249,629,115,812,608
  5. Step 5: Solve for x
    x = 137,249,629,115,812,608/390,287,176
  6. Step 6: Final answer
    x = 351,663,179.21

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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.