Home / 386,856,047.40-580,284,071.10-249,106,540.20

Finding the Fourth Proportional to 386,856,047.40, 580,284,071.10 and 249,106,540.20

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Solution

The fourth proportional to 386,856,047.40, 580,284,071.10 and 249,106,540.20 is: 373,659,810.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,856,047.40 : 580,284,071.10 = 249,106,540.20 : x
  2. Step 2: Convert to fraction form
    386,856,047.40/580,284,071.10 = 249,106,540.20/x
  3. Step 3: Cross multiply
    386,856,047.40x = 580,284,071.10 × 249,106,540.20
  4. Step 4: Simplify right side
    386,856,047.40x = 144,552,557,284,891,808
  5. Step 5: Solve for x
    x = 144,552,557,284,891,808/386,856,047.40
  6. Step 6: Final answer
    x = 373,659,810.30

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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.