Home / 385,295,209.60-577,942,814.40-155,374,441.60

Finding the Fourth Proportional to 385,295,209.60, 577,942,814.40 and 155,374,441.60

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Solution

The fourth proportional to 385,295,209.60, 577,942,814.40 and 155,374,441.60 is: 233,061,662.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    385,295,209.60 : 577,942,814.40 = 155,374,441.60 : x
  2. Step 2: Convert to fraction form
    385,295,209.60/577,942,814.40 = 155,374,441.60/x
  3. Step 3: Cross multiply
    385,295,209.60x = 577,942,814.40 × 155,374,441.60
  4. Step 4: Simplify right side
    385,295,209.60x = 89,797,542,064,132,432
  5. Step 5: Solve for x
    x = 89,797,542,064,132,432/385,295,209.60
  6. Step 6: Final answer
    x = 233,061,662.40

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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.