Home / 295,280,135.40-442,920,203.10-278,274,023.40

Finding the Fourth Proportional to 295,280,135.40, 442,920,203.10 and 278,274,023.40

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Solution

The fourth proportional to 295,280,135.40, 442,920,203.10 and 278,274,023.40 is: 417,411,035.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,280,135.40 : 442,920,203.10 = 278,274,023.40 : x
  2. Step 2: Convert to fraction form
    295,280,135.40/442,920,203.10 = 278,274,023.40/x
  3. Step 3: Cross multiply
    295,280,135.40x = 442,920,203.10 × 278,274,023.40
  4. Step 4: Simplify right side
    295,280,135.40x = 123,253,186,961,782,144
  5. Step 5: Solve for x
    x = 123,253,186,961,782,144/295,280,135.40
  6. Step 6: Final answer
    x = 417,411,035.10

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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.