Home / 825,304,697.64-1,140,554,584.32-676,390,943.64

Finding the Fourth Proportional to 825,304,697.64, 1,140,554,584.32 and 676,390,943.64

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Solution

The fourth proportional to 825,304,697.64, 1,140,554,584.32 and 676,390,943.64 is: 934,758,754.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    825,304,697.64 : 1,140,554,584.32 = 676,390,943.64 : x
  2. Step 2: Convert to fraction form
    825,304,697.64/1,140,554,584.32 = 676,390,943.64/x
  3. Step 3: Cross multiply
    825,304,697.64x = 1,140,554,584.32 × 676,390,943.64
  4. Step 4: Simplify right side
    825,304,697.64x = 771,460,791,561,132,672
  5. Step 5: Solve for x
    x = 771,460,791,561,132,672/825,304,697.64
  6. Step 6: Final answer
    x = 934,758,754.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.