Home / 712,110,229.20-1,067,315,038.20-366,886,155.60

Finding the Fourth Proportional to 712,110,229.20, 1,067,315,038.20 and 366,886,155.60

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Solution

The fourth proportional to 712,110,229.20, 1,067,315,038.20 and 366,886,155.60 is: 549,891,147.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    712,110,229.20 : 1,067,315,038.20 = 366,886,155.60 : x
  2. Step 2: Convert to fraction form
    712,110,229.20/1,067,315,038.20 = 366,886,155.60/x
  3. Step 3: Cross multiply
    712,110,229.20x = 1,067,315,038.20 × 366,886,155.60
  4. Step 4: Simplify right side
    712,110,229.20x = 391,583,111,179,265,216
  5. Step 5: Solve for x
    x = 391,583,111,179,265,216/712,110,229.20
  6. Step 6: Final answer
    x = 549,891,147.64

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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.