Home / 358,776,743.40-538,165,115.10-195,092,915.40

Finding the Fourth Proportional to 358,776,743.40, 538,165,115.10 and 195,092,915.40

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Solution

The fourth proportional to 358,776,743.40, 538,165,115.10 and 195,092,915.40 is: 292,639,373.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,776,743.40 : 538,165,115.10 = 195,092,915.40 : x
  2. Step 2: Convert to fraction form
    358,776,743.40/538,165,115.10 = 195,092,915.40/x
  3. Step 3: Cross multiply
    358,776,743.40x = 538,165,115.10 × 195,092,915.40
  4. Step 4: Simplify right side
    358,776,743.40x = 104,992,201,271,435,568
  5. Step 5: Solve for x
    x = 104,992,201,271,435,568/358,776,743.40
  6. Step 6: Final answer
    x = 292,639,373.10

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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.