Home / 295,280,147.40-442,920,221.10-278,274,035.40

Finding the Fourth Proportional to 295,280,147.40, 442,920,221.10 and 278,274,035.40

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Solution

The fourth proportional to 295,280,147.40, 442,920,221.10 and 278,274,035.40 is: 417,411,053.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,280,147.40 : 442,920,221.10 = 278,274,035.40 : x
  2. Step 2: Convert to fraction form
    295,280,147.40/442,920,221.10 = 278,274,035.40/x
  3. Step 3: Cross multiply
    295,280,147.40x = 442,920,221.10 × 278,274,035.40
  4. Step 4: Simplify right side
    295,280,147.40x = 123,253,197,285,757,216
  5. Step 5: Solve for x
    x = 123,253,197,285,757,216/295,280,147.40
  6. Step 6: Final answer
    x = 417,411,053.10

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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.