Home / 890,145,559.32-1,334,945,061-615,561,287.76

Finding the Fourth Proportional to 890,145,559.32, 1,334,945,061 and 615,561,287.76

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Solution

The fourth proportional to 890,145,559.32, 1,334,945,061 and 615,561,287.76 is: 923,152,952.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    890,145,559.32 : 1,334,945,061 = 615,561,287.76 : x
  2. Step 2: Convert to fraction form
    890,145,559.32/1,334,945,061 = 615,561,287.76/x
  3. Step 3: Cross multiply
    890,145,559.32x = 1,334,945,061 × 615,561,287.76
  4. Step 4: Simplify right side
    890,145,559.32x = 821,740,500,838,011,776
  5. Step 5: Solve for x
    x = 821,740,500,838,011,776/890,145,559.32
  6. Step 6: Final answer
    x = 923,152,952.05

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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.