Home / 840,190,359.60-1,260,239,981.76-257,924,704.32

Finding the Fourth Proportional to 840,190,359.60, 1,260,239,981.76 and 257,924,704.32

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Solution

The fourth proportional to 840,190,359.60, 1,260,239,981.76 and 257,924,704.32 is: 386,873,071.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    840,190,359.60 : 1,260,239,981.76 = 257,924,704.32 : x
  2. Step 2: Convert to fraction form
    840,190,359.60/1,260,239,981.76 = 257,924,704.32/x
  3. Step 3: Cross multiply
    840,190,359.60x = 1,260,239,981.76 × 257,924,704.32
  4. Step 4: Simplify right side
    840,190,359.60x = 325,047,024,667,690,176
  5. Step 5: Solve for x
    x = 325,047,024,667,690,176/840,190,359.60
  6. Step 6: Final answer
    x = 386,873,071.03

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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.