Home / 898,617,746.20-1,347,926,619.30-838,151,570.20

Finding the Fourth Proportional to 898,617,746.20, 1,347,926,619.30 and 838,151,570.20

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Solution

The fourth proportional to 898,617,746.20, 1,347,926,619.30 and 838,151,570.20 is: 1,257,227,355.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    898,617,746.20 : 1,347,926,619.30 = 838,151,570.20 : x
  2. Step 2: Convert to fraction form
    898,617,746.20/1,347,926,619.30 = 838,151,570.20/x
  3. Step 3: Cross multiply
    898,617,746.20x = 1,347,926,619.30 × 838,151,570.20
  4. Step 4: Simplify right side
    898,617,746.20x = 1,129,766,812,480,672,640
  5. Step 5: Solve for x
    x = 1,129,766,812,480,672,640/898,617,746.20
  6. Step 6: Final answer
    x = 1,257,227,355.30

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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.