Home / 282,103,336.20-423,155,004.30-261,696,001.80

Finding the Fourth Proportional to 282,103,336.20, 423,155,004.30 and 261,696,001.80

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Solution

The fourth proportional to 282,103,336.20, 423,155,004.30 and 261,696,001.80 is: 392,544,002.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,103,336.20 : 423,155,004.30 = 261,696,001.80 : x
  2. Step 2: Convert to fraction form
    282,103,336.20/423,155,004.30 = 261,696,001.80/x
  3. Step 3: Cross multiply
    282,103,336.20x = 423,155,004.30 × 261,696,001.80
  4. Step 4: Simplify right side
    282,103,336.20x = 110,737,972,766,971,808
  5. Step 5: Solve for x
    x = 110,737,972,766,971,808/282,103,336.20
  6. Step 6: Final answer
    x = 392,544,002.70

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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.