Home / 1,098,793,313.70-1,648,189,970.55-950,840,139.30

Finding the Fourth Proportional to 1,098,793,313.70, 1,648,189,970.55 and 950,840,139.30

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Solution

The fourth proportional to 1,098,793,313.70, 1,648,189,970.55 and 950,840,139.30 is: 1,426,260,208.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,098,793,313.70 : 1,648,189,970.55 = 950,840,139.30 : x
  2. Step 2: Convert to fraction form
    1,098,793,313.70/1,648,189,970.55 = 950,840,139.30/x
  3. Step 3: Cross multiply
    1,098,793,313.70x = 1,648,189,970.55 × 950,840,139.30
  4. Step 4: Simplify right side
    1,098,793,313.70x = 1,567,165,181,190,624,768
  5. Step 5: Solve for x
    x = 1,567,165,181,190,624,768/1,098,793,313.70
  6. Step 6: Final answer
    x = 1,426,260,208.95

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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.