Home / 453,479,116.80-680,218,675.20-292,103,270.40

Finding the Fourth Proportional to 453,479,116.80, 680,218,675.20 and 292,103,270.40

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Solution

The fourth proportional to 453,479,116.80, 680,218,675.20 and 292,103,270.40 is: 438,154,905.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,479,116.80 : 680,218,675.20 = 292,103,270.40 : x
  2. Step 2: Convert to fraction form
    453,479,116.80/680,218,675.20 = 292,103,270.40/x
  3. Step 3: Cross multiply
    453,479,116.80x = 680,218,675.20 × 292,103,270.40
  4. Step 4: Simplify right side
    453,479,116.80x = 198,694,099,613,075,360
  5. Step 5: Solve for x
    x = 198,694,099,613,075,360/453,479,116.80
  6. Step 6: Final answer
    x = 438,154,905.60

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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.