Home / 347,636,193.60-521,454,290.40-342,261,422.40

Finding the Fourth Proportional to 347,636,193.60, 521,454,290.40 and 342,261,422.40

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Solution

The fourth proportional to 347,636,193.60, 521,454,290.40 and 342,261,422.40 is: 513,392,133.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,636,193.60 : 521,454,290.40 = 342,261,422.40 : x
  2. Step 2: Convert to fraction form
    347,636,193.60/521,454,290.40 = 342,261,422.40/x
  3. Step 3: Cross multiply
    347,636,193.60x = 521,454,290.40 × 342,261,422.40
  4. Step 4: Simplify right side
    347,636,193.60x = 178,473,687,148,886,656
  5. Step 5: Solve for x
    x = 178,473,687,148,886,656/347,636,193.60
  6. Step 6: Final answer
    x = 513,392,133.60

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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.