Home / 424,438,399.44-636,657,599.16-117,730,512.72

Finding the Fourth Proportional to 424,438,399.44, 636,657,599.16 and 117,730,512.72

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Solution

The fourth proportional to 424,438,399.44, 636,657,599.16 and 117,730,512.72 is: 176,595,769.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,438,399.44 : 636,657,599.16 = 117,730,512.72 : x
  2. Step 2: Convert to fraction form
    424,438,399.44/636,657,599.16 = 117,730,512.72/x
  3. Step 3: Cross multiply
    424,438,399.44x = 636,657,599.16 × 117,730,512.72
  4. Step 4: Simplify right side
    424,438,399.44x = 74,954,025,576,191,040
  5. Step 5: Solve for x
    x = 74,954,025,576,191,040/424,438,399.44
  6. Step 6: Final answer
    x = 176,595,769.08

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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.