Home / 559,157,430.20-838,988,087.70-267,912,015.80

Finding the Fourth Proportional to 559,157,430.20, 838,988,087.70 and 267,912,015.80

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Solution

The fourth proportional to 559,157,430.20, 838,988,087.70 and 267,912,015.80 is: 401,988,738.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,157,430.20 : 838,988,087.70 = 267,912,015.80 : x
  2. Step 2: Convert to fraction form
    559,157,430.20/838,988,087.70 = 267,912,015.80/x
  3. Step 3: Cross multiply
    559,157,430.20x = 838,988,087.70 × 267,912,015.80
  4. Step 4: Simplify right side
    559,157,430.20x = 224,774,989,807,894,208
  5. Step 5: Solve for x
    x = 224,774,989,807,894,208/559,157,430.20
  6. Step 6: Final answer
    x = 401,988,738.18

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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.