Home / 1,117,002,468.87-1,541,533,413.92-615,211,152.75

Finding the Fourth Proportional to 1,117,002,468.87, 1,541,533,413.92 and 615,211,152.75

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Solution

The fourth proportional to 1,117,002,468.87, 1,541,533,413.92 and 615,211,152.75 is: 849,029,948.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,117,002,468.87 : 1,541,533,413.92 = 615,211,152.75 : x
  2. Step 2: Convert to fraction form
    1,117,002,468.87/1,541,533,413.92 = 615,211,152.75/x
  3. Step 3: Cross multiply
    1,117,002,468.87x = 1,541,533,413.92 × 615,211,152.75
  4. Step 4: Simplify right side
    1,117,002,468.87x = 948,368,548,577,289,984
  5. Step 5: Solve for x
    x = 948,368,548,577,289,984/1,117,002,468.87
  6. Step 6: Final answer
    x = 849,029,948.46

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Double scale
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1.5x scale

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.