Home / 508,510,090.20-762,767,706.66-158,726,837.16

Finding the Fourth Proportional to 508,510,090.20, 762,767,706.66 and 158,726,837.16

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Solution

The fourth proportional to 508,510,090.20, 762,767,706.66 and 158,726,837.16 is: 238,091,058.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,510,090.20 : 762,767,706.66 = 158,726,837.16 : x
  2. Step 2: Convert to fraction form
    508,510,090.20/762,767,706.66 = 158,726,837.16/x
  3. Step 3: Cross multiply
    508,510,090.20x = 762,767,706.66 × 158,726,837.16
  4. Step 4: Simplify right side
    508,510,090.20x = 121,071,705,565,928,464
  5. Step 5: Solve for x
    x = 121,071,705,565,928,464/508,510,090.20
  6. Step 6: Final answer
    x = 238,091,058.37

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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.