Home / 944,785,998.90-1,417,178,998.35-858,621,698.10

Finding the Fourth Proportional to 944,785,998.90, 1,417,178,998.35 and 858,621,698.10

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Solution

The fourth proportional to 944,785,998.90, 1,417,178,998.35 and 858,621,698.10 is: 1,287,932,547.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    944,785,998.90 : 1,417,178,998.35 = 858,621,698.10 : x
  2. Step 2: Convert to fraction form
    944,785,998.90/1,417,178,998.35 = 858,621,698.10/x
  3. Step 3: Cross multiply
    944,785,998.90x = 1,417,178,998.35 × 858,621,698.10
  4. Step 4: Simplify right side
    944,785,998.90x = 1,216,820,638,074,934,016
  5. Step 5: Solve for x
    x = 1,216,820,638,074,934,016/944,785,998.90
  6. Step 6: Final answer
    x = 1,287,932,547.15

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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.