Home / 1,476,641,721.60-2,214,794,620.80-386,235,014.40

Finding the Fourth Proportional to 1,476,641,721.60, 2,214,794,620.80 and 386,235,014.40

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Solution

The fourth proportional to 1,476,641,721.60, 2,214,794,620.80 and 386,235,014.40 is: 579,308,589.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,476,641,721.60 : 2,214,794,620.80 = 386,235,014.40 : x
  2. Step 2: Convert to fraction form
    1,476,641,721.60/2,214,794,620.80 = 386,235,014.40/x
  3. Step 3: Cross multiply
    1,476,641,721.60x = 2,214,794,620.80 × 386,235,014.40
  4. Step 4: Simplify right side
    1,476,641,721.60x = 855,431,232,257,730,560
  5. Step 5: Solve for x
    x = 855,431,232,257,730,560/1,476,641,721.60
  6. Step 6: Final answer
    x = 579,308,589.04

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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.