Home / 448,359,152.70-672,538,729.05-397,340,816.70

Finding the Fourth Proportional to 448,359,152.70, 672,538,729.05 and 397,340,816.70

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Solution

The fourth proportional to 448,359,152.70, 672,538,729.05 and 397,340,816.70 is: 596,011,225.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,359,152.70 : 672,538,729.05 = 397,340,816.70 : x
  2. Step 2: Convert to fraction form
    448,359,152.70/672,538,729.05 = 397,340,816.70/x
  3. Step 3: Cross multiply
    448,359,152.70x = 672,538,729.05 × 397,340,816.70
  4. Step 4: Simplify right side
    448,359,152.70x = 267,227,087,863,106,976
  5. Step 5: Solve for x
    x = 267,227,087,863,106,976/448,359,152.70
  6. Step 6: Final answer
    x = 596,011,225.05

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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.