Home / 358,852,340.40-538,278,510.60-195,593,665.20

Finding the Fourth Proportional to 358,852,340.40, 538,278,510.60 and 195,593,665.20

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Solution

The fourth proportional to 358,852,340.40, 538,278,510.60 and 195,593,665.20 is: 293,390,497.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,852,340.40 : 538,278,510.60 = 195,593,665.20 : x
  2. Step 2: Convert to fraction form
    358,852,340.40/538,278,510.60 = 195,593,665.20/x
  3. Step 3: Cross multiply
    358,852,340.40x = 538,278,510.60 × 195,593,665.20
  4. Step 4: Simplify right side
    358,852,340.40x = 105,283,866,786,651,056
  5. Step 5: Solve for x
    x = 105,283,866,786,651,056/358,852,340.40
  6. Step 6: Final answer
    x = 293,390,497.80

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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.