Home / 448,368,961.18-672,508,032.27-120,877,579.18

Finding the Fourth Proportional to 448,368,961.18, 672,508,032.27 and 120,877,579.18

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Solution

The fourth proportional to 448,368,961.18, 672,508,032.27 and 120,877,579.18 is: 181,304,126.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,368,961.18 : 672,508,032.27 = 120,877,579.18 : x
  2. Step 2: Convert to fraction form
    448,368,961.18/672,508,032.27 = 120,877,579.18/x
  3. Step 3: Cross multiply
    448,368,961.18x = 672,508,032.27 × 120,877,579.18
  4. Step 4: Simplify right side
    448,368,961.18x = 81,291,142,919,902,928
  5. Step 5: Solve for x
    x = 81,291,142,919,902,928/448,368,961.18
  6. Step 6: Final answer
    x = 181,304,126.64

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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.