Home / 448,151,077.96-618,451,190.10-249,925,101.28

Finding the Fourth Proportional to 448,151,077.96, 618,451,190.10 and 249,925,101.28

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Solution

The fourth proportional to 448,151,077.96, 618,451,190.10 and 249,925,101.28 is: 344,898,146.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,151,077.96 : 618,451,190.10 = 249,925,101.28 : x
  2. Step 2: Convert to fraction form
    448,151,077.96/618,451,190.10 = 249,925,101.28/x
  3. Step 3: Cross multiply
    448,151,077.96x = 618,451,190.10 × 249,925,101.28
  4. Step 4: Simplify right side
    448,151,077.96x = 154,566,476,322,479,040
  5. Step 5: Solve for x
    x = 154,566,476,322,479,040/448,151,077.96
  6. Step 6: Final answer
    x = 344,898,146.91

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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.