Home / 1,038,096,959.80-1,557,145,439.70-310,991,193.40

Finding the Fourth Proportional to 1,038,096,959.80, 1,557,145,439.70 and 310,991,193.40

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Solution

The fourth proportional to 1,038,096,959.80, 1,557,145,439.70 and 310,991,193.40 is: 466,486,790.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,038,096,959.80 : 1,557,145,439.70 = 310,991,193.40 : x
  2. Step 2: Convert to fraction form
    1,038,096,959.80/1,557,145,439.70 = 310,991,193.40/x
  3. Step 3: Cross multiply
    1,038,096,959.80x = 1,557,145,439.70 × 310,991,193.40
  4. Step 4: Simplify right side
    1,038,096,959.80x = 484,258,518,589,670,720
  5. Step 5: Solve for x
    x = 484,258,518,589,670,720/1,038,096,959.80
  6. Step 6: Final answer
    x = 466,486,790.10

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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.