Home / 358,772,778.40-538,159,167.60-195,088,950.40

Finding the Fourth Proportional to 358,772,778.40, 538,159,167.60 and 195,088,950.40

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Solution

The fourth proportional to 358,772,778.40, 538,159,167.60 and 195,088,950.40 is: 292,633,425.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,772,778.40 : 538,159,167.60 = 195,088,950.40 : x
  2. Step 2: Convert to fraction form
    358,772,778.40/538,159,167.60 = 195,088,950.40/x
  3. Step 3: Cross multiply
    358,772,778.40x = 538,159,167.60 × 195,088,950.40
  4. Step 4: Simplify right side
    358,772,778.40x = 104,988,907,155,221,696
  5. Step 5: Solve for x
    x = 104,988,907,155,221,696/358,772,778.40
  6. Step 6: Final answer
    x = 292,633,425.60

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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.