Home / 526,520,438.60-789,780,657.90-373,465,430.60

Finding the Fourth Proportional to 526,520,438.60, 789,780,657.90 and 373,465,430.60

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Solution

The fourth proportional to 526,520,438.60, 789,780,657.90 and 373,465,430.60 is: 560,198,145.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,520,438.60 : 789,780,657.90 = 373,465,430.60 : x
  2. Step 2: Convert to fraction form
    526,520,438.60/789,780,657.90 = 373,465,430.60/x
  3. Step 3: Cross multiply
    526,520,438.60x = 789,780,657.90 × 373,465,430.60
  4. Step 4: Simplify right side
    526,520,438.60x = 294,955,773,482,174,784
  5. Step 5: Solve for x
    x = 294,955,773,482,174,784/526,520,438.60
  6. Step 6: Final answer
    x = 560,198,145.90

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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.