Home / 1,280,842,764,443.60-1,767,595,536,772.80-702,779,130,020.10

Finding the Fourth Proportional to 1,280,842,764,443.60, 1,767,595,536,772.80 and 702,779,130,020.10

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Solution

The fourth proportional to 1,280,842,764,443.60, 1,767,595,536,772.80 and 702,779,130,020.10 is: 969,853,043,671.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,280,842,764,443.60 : 1,767,595,536,772.80 = 702,779,130,020.10 : x
  2. Step 2: Convert to fraction form
    1,280,842,764,443.60/1,767,595,536,772.80 = 702,779,130,020.10/x
  3. Step 3: Cross multiply
    1,280,842,764,443.60x = 1,767,595,536,772.80 × 702,779,130,020.10
  4. Step 4: Simplify right side
    1,280,842,764,443.60x = 1,242,229,253,560,599,920,508,928
  5. Step 5: Solve for x
    x = 1,242,229,253,560,599,920,508,928/1,280,842,764,443.60
  6. Step 6: Final answer
    x = 969,853,043,671.78

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Double scale
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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.