Home / 314,566,466.40-434,287,936.17-279,662,750.10

Finding the Fourth Proportional to 314,566,466.40, 434,287,936.17 and 279,662,750.10

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Solution

The fourth proportional to 314,566,466.40, 434,287,936.17 and 279,662,750.10 is: 386,100,145.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,566,466.40 : 434,287,936.17 = 279,662,750.10 : x
  2. Step 2: Convert to fraction form
    314,566,466.40/434,287,936.17 = 279,662,750.10/x
  3. Step 3: Cross multiply
    314,566,466.40x = 434,287,936.17 × 279,662,750.10
  4. Step 4: Simplify right side
    314,566,466.40x = 121,454,158,564,555,472
  5. Step 5: Solve for x
    x = 121,454,158,564,555,472/314,566,466.40
  6. Step 6: Final answer
    x = 386,100,145.88

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.