Home / 398,565,587.70-597,848,381.55-244,712,762.10

Finding the Fourth Proportional to 398,565,587.70, 597,848,381.55 and 244,712,762.10

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Solution

The fourth proportional to 398,565,587.70, 597,848,381.55 and 244,712,762.10 is: 367,069,143.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    398,565,587.70 : 597,848,381.55 = 244,712,762.10 : x
  2. Step 2: Convert to fraction form
    398,565,587.70/597,848,381.55 = 244,712,762.10/x
  3. Step 3: Cross multiply
    398,565,587.70x = 597,848,381.55 × 244,712,762.10
  4. Step 4: Simplify right side
    398,565,587.70x = 146,301,128,766,115,168
  5. Step 5: Solve for x
    x = 146,301,128,766,115,168/398,565,587.70
  6. Step 6: Final answer
    x = 367,069,143.15

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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.