Home / 862,416,002.90-1,293,624,004.35-344,590,390.10

Finding the Fourth Proportional to 862,416,002.90, 1,293,624,004.35 and 344,590,390.10

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Solution

The fourth proportional to 862,416,002.90, 1,293,624,004.35 and 344,590,390.10 is: 516,885,585.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    862,416,002.90 : 1,293,624,004.35 = 344,590,390.10 : x
  2. Step 2: Convert to fraction form
    862,416,002.90/1,293,624,004.35 = 344,590,390.10/x
  3. Step 3: Cross multiply
    862,416,002.90x = 1,293,624,004.35 × 344,590,390.10
  4. Step 4: Simplify right side
    862,416,002.90x = 445,770,400,301,690,624
  5. Step 5: Solve for x
    x = 445,770,400,301,690,624/862,416,002.90
  6. Step 6: Final answer
    x = 516,885,585.15

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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.