Home / 382,361,112.40-572,479,985.40-371,744,280.40

Finding the Fourth Proportional to 382,361,112.40, 572,479,985.40 and 371,744,280.40

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Solution

The fourth proportional to 382,361,112.40, 572,479,985.40 and 371,744,280.40 is: 556,584,216.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,361,112.40 : 572,479,985.40 = 371,744,280.40 : x
  2. Step 2: Convert to fraction form
    382,361,112.40/572,479,985.40 = 371,744,280.40/x
  3. Step 3: Cross multiply
    382,361,112.40x = 572,479,985.40 × 371,744,280.40
  4. Step 4: Simplify right side
    382,361,112.40x = 212,816,160,215,925,472
  5. Step 5: Solve for x
    x = 212,816,160,215,925,472/382,361,112.40
  6. Step 6: Final answer
    x = 556,584,216.63

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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.