Home / 5,318,784,292.40-7,978,176,438.60-3,142,001,956.40

Finding the Fourth Proportional to 5,318,784,292.40, 7,978,176,438.60 and 3,142,001,956.40

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Solution

The fourth proportional to 5,318,784,292.40, 7,978,176,438.60 and 3,142,001,956.40 is: 4,713,002,934.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,318,784,292.40 : 7,978,176,438.60 = 3,142,001,956.40 : x
  2. Step 2: Convert to fraction form
    5,318,784,292.40/7,978,176,438.60 = 3,142,001,956.40/x
  3. Step 3: Cross multiply
    5,318,784,292.40x = 7,978,176,438.60 × 3,142,001,956.40
  4. Step 4: Simplify right side
    5,318,784,292.40x = 25,067,445,978,585,587,712
  5. Step 5: Solve for x
    x = 25,067,445,978,585,587,712/5,318,784,292.40
  6. Step 6: Final answer
    x = 4,713,002,934.60

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1.5x scale

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.