Home / 631,108,528.18-871,016,287.32-363,178,854.44

Finding the Fourth Proportional to 631,108,528.18, 871,016,287.32 and 363,178,854.44

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Solution

The fourth proportional to 631,108,528.18, 871,016,287.32 and 363,178,854.44 is: 501,236,607.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    631,108,528.18 : 871,016,287.32 = 363,178,854.44 : x
  2. Step 2: Convert to fraction form
    631,108,528.18/871,016,287.32 = 363,178,854.44/x
  3. Step 3: Cross multiply
    631,108,528.18x = 871,016,287.32 × 363,178,854.44
  4. Step 4: Simplify right side
    631,108,528.18x = 316,334,697,427,459,520
  5. Step 5: Solve for x
    x = 316,334,697,427,459,520/631,108,528.18
  6. Step 6: Final answer
    x = 501,236,607.18

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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.