Home / 1,121,931,215.40-1,682,896,823.10-708,682,693.80

Finding the Fourth Proportional to 1,121,931,215.40, 1,682,896,823.10 and 708,682,693.80

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Solution

The fourth proportional to 1,121,931,215.40, 1,682,896,823.10 and 708,682,693.80 is: 1,063,024,040.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,121,931,215.40 : 1,682,896,823.10 = 708,682,693.80 : x
  2. Step 2: Convert to fraction form
    1,121,931,215.40/1,682,896,823.10 = 708,682,693.80/x
  3. Step 3: Cross multiply
    1,121,931,215.40x = 1,682,896,823.10 × 708,682,693.80
  4. Step 4: Simplify right side
    1,121,931,215.40x = 1,192,639,853,981,969,920
  5. Step 5: Solve for x
    x = 1,192,639,853,981,969,920/1,121,931,215.40
  6. Step 6: Final answer
    x = 1,063,024,040.70

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Double scale
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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.