Home / 1,002,844,987.30-1,504,267,480.95-830,516,385.70

Finding the Fourth Proportional to 1,002,844,987.30, 1,504,267,480.95 and 830,516,385.70

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Solution

The fourth proportional to 1,002,844,987.30, 1,504,267,480.95 and 830,516,385.70 is: 1,245,774,578.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,002,844,987.30 : 1,504,267,480.95 = 830,516,385.70 : x
  2. Step 2: Convert to fraction form
    1,002,844,987.30/1,504,267,480.95 = 830,516,385.70/x
  3. Step 3: Cross multiply
    1,002,844,987.30x = 1,504,267,480.95 × 830,516,385.70
  4. Step 4: Simplify right side
    1,002,844,987.30x = 1,249,318,791,404,637,696
  5. Step 5: Solve for x
    x = 1,249,318,791,404,637,696/1,002,844,987.30
  6. Step 6: Final answer
    x = 1,245,774,578.55

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Double scale
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Similar ratio
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1.5x scale

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.