Home / 393,355,765.60-590,033,648.40-147,711,925.60

Finding the Fourth Proportional to 393,355,765.60, 590,033,648.40 and 147,711,925.60

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Solution

The fourth proportional to 393,355,765.60, 590,033,648.40 and 147,711,925.60 is: 221,567,888.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    393,355,765.60 : 590,033,648.40 = 147,711,925.60 : x
  2. Step 2: Convert to fraction form
    393,355,765.60/590,033,648.40 = 147,711,925.60/x
  3. Step 3: Cross multiply
    393,355,765.60x = 590,033,648.40 × 147,711,925.60
  4. Step 4: Simplify right side
    393,355,765.60x = 87,155,006,373,957,360
  5. Step 5: Solve for x
    x = 87,155,006,373,957,360/393,355,765.60
  6. Step 6: Final answer
    x = 221,567,888.40

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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.