Home / 2,690,285,655.60-4,035,428,483.40-1,955,621,617.20

Finding the Fourth Proportional to 2,690,285,655.60, 4,035,428,483.40 and 1,955,621,617.20

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Solution

The fourth proportional to 2,690,285,655.60, 4,035,428,483.40 and 1,955,621,617.20 is: 2,933,432,425.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,690,285,655.60 : 4,035,428,483.40 = 1,955,621,617.20 : x
  2. Step 2: Convert to fraction form
    2,690,285,655.60/4,035,428,483.40 = 1,955,621,617.20/x
  3. Step 3: Cross multiply
    2,690,285,655.60x = 4,035,428,483.40 × 1,955,621,617.20
  4. Step 4: Simplify right side
    2,690,285,655.60x = 7,891,771,176,801,651,712
  5. Step 5: Solve for x
    x = 7,891,771,176,801,651,712/2,690,285,655.60
  6. Step 6: Final answer
    x = 2,933,432,425.80

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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.