Home / 1,056,856,285.80-1,585,284,428.70-839,178,052.20

Finding the Fourth Proportional to 1,056,856,285.80, 1,585,284,428.70 and 839,178,052.20

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Solution

The fourth proportional to 1,056,856,285.80, 1,585,284,428.70 and 839,178,052.20 is: 1,258,767,078.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,056,856,285.80 : 1,585,284,428.70 = 839,178,052.20 : x
  2. Step 2: Convert to fraction form
    1,056,856,285.80/1,585,284,428.70 = 839,178,052.20/x
  3. Step 3: Cross multiply
    1,056,856,285.80x = 1,585,284,428.70 × 839,178,052.20
  4. Step 4: Simplify right side
    1,056,856,285.80x = 1,330,335,899,059,456,000
  5. Step 5: Solve for x
    x = 1,330,335,899,059,456,000/1,056,856,285.80
  6. Step 6: Final answer
    x = 1,258,767,078.30

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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.