Home / 403,711,964.60-605,851,382.10-173,846,017.40

Finding the Fourth Proportional to 403,711,964.60, 605,851,382.10 and 173,846,017.40

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Solution

The fourth proportional to 403,711,964.60, 605,851,382.10 and 173,846,017.40 is: 260,891,078.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,711,964.60 : 605,851,382.10 = 173,846,017.40 : x
  2. Step 2: Convert to fraction form
    403,711,964.60/605,851,382.10 = 173,846,017.40/x
  3. Step 3: Cross multiply
    403,711,964.60x = 605,851,382.10 × 173,846,017.40
  4. Step 4: Simplify right side
    403,711,964.60x = 105,324,849,914,370,656
  5. Step 5: Solve for x
    x = 105,324,849,914,370,656/403,711,964.60
  6. Step 6: Final answer
    x = 260,891,078.66

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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.