Home / 389,867,034.80-584,576,603.40-117,196,929.20

Finding the Fourth Proportional to 389,867,034.80, 584,576,603.40 and 117,196,929.20

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Solution

The fourth proportional to 389,867,034.80, 584,576,603.40 and 117,196,929.20 is: 175,728,073.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,867,034.80 : 584,576,603.40 = 117,196,929.20 : x
  2. Step 2: Convert to fraction form
    389,867,034.80/584,576,603.40 = 117,196,929.20/x
  3. Step 3: Cross multiply
    389,867,034.80x = 584,576,603.40 × 117,196,929.20
  4. Step 4: Simplify right side
    389,867,034.80x = 68,510,582,800,646,280
  5. Step 5: Solve for x
    x = 68,510,582,800,646,280/389,867,034.80
  6. Step 6: Final answer
    x = 175,728,073.13

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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.