Home / 472,280,512.20-708,719,366.70-278,191,552.20

Finding the Fourth Proportional to 472,280,512.20, 708,719,366.70 and 278,191,552.20

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Solution

The fourth proportional to 472,280,512.20, 708,719,366.70 and 278,191,552.20 is: 417,463,214.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,280,512.20 : 708,719,366.70 = 278,191,552.20 : x
  2. Step 2: Convert to fraction form
    472,280,512.20/708,719,366.70 = 278,191,552.20/x
  3. Step 3: Cross multiply
    472,280,512.20x = 708,719,366.70 × 278,191,552.20
  4. Step 4: Simplify right side
    472,280,512.20x = 197,159,740,696,473,984
  5. Step 5: Solve for x
    x = 197,159,740,696,473,984/472,280,512.20
  6. Step 6: Final answer
    x = 417,463,214.35

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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.