Home / 1,260,818,679.60-1,891,228,019.40-802,787,396.40

Finding the Fourth Proportional to 1,260,818,679.60, 1,891,228,019.40 and 802,787,396.40

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Solution

The fourth proportional to 1,260,818,679.60, 1,891,228,019.40 and 802,787,396.40 is: 1,204,181,094.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,260,818,679.60 : 1,891,228,019.40 = 802,787,396.40 : x
  2. Step 2: Convert to fraction form
    1,260,818,679.60/1,891,228,019.40 = 802,787,396.40/x
  3. Step 3: Cross multiply
    1,260,818,679.60x = 1,891,228,019.40 × 802,787,396.40
  4. Step 4: Simplify right side
    1,260,818,679.60x = 1,518,254,017,692,854,784
  5. Step 5: Solve for x
    x = 1,518,254,017,692,854,784/1,260,818,679.60
  6. Step 6: Final answer
    x = 1,204,181,094.60

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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.