Home / 612,381,701.20-918,572,551.80-224,217,194.80

Finding the Fourth Proportional to 612,381,701.20, 918,572,551.80 and 224,217,194.80

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Solution

The fourth proportional to 612,381,701.20, 918,572,551.80 and 224,217,194.80 is: 336,325,792.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    612,381,701.20 : 918,572,551.80 = 224,217,194.80 : x
  2. Step 2: Convert to fraction form
    612,381,701.20/918,572,551.80 = 224,217,194.80/x
  3. Step 3: Cross multiply
    612,381,701.20x = 918,572,551.80 × 224,217,194.80
  4. Step 4: Simplify right side
    612,381,701.20x = 205,959,760,784,873,696
  5. Step 5: Solve for x
    x = 205,959,760,784,873,696/612,381,701.20
  6. Step 6: Final answer
    x = 336,325,792.20

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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.