Home / 477,156,989.70-715,735,484.55-247,574,477.70

Finding the Fourth Proportional to 477,156,989.70, 715,735,484.55 and 247,574,477.70

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Solution

The fourth proportional to 477,156,989.70, 715,735,484.55 and 247,574,477.70 is: 371,361,716.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,156,989.70 : 715,735,484.55 = 247,574,477.70 : x
  2. Step 2: Convert to fraction form
    477,156,989.70/715,735,484.55 = 247,574,477.70/x
  3. Step 3: Cross multiply
    477,156,989.70x = 715,735,484.55 × 247,574,477.70
  4. Step 4: Simplify right side
    477,156,989.70x = 177,197,838,758,822,656
  5. Step 5: Solve for x
    x = 177,197,838,758,822,656/477,156,989.70
  6. Step 6: Final answer
    x = 371,361,716.55

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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.