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Finding the Fourth Proportional to 1,733,643,011.80, 2,600,464,517.70 and 998,978,973.40

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Solution

The fourth proportional to 1,733,643,011.80, 2,600,464,517.70 and 998,978,973.40 is: 1,498,468,460.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,733,643,011.80 : 2,600,464,517.70 = 998,978,973.40 : x
  2. Step 2: Convert to fraction form
    1,733,643,011.80/2,600,464,517.70 = 998,978,973.40/x
  3. Step 3: Cross multiply
    1,733,643,011.80x = 2,600,464,517.70 × 998,978,973.40
  4. Step 4: Simplify right side
    1,733,643,011.80x = 2,597,809,374,255,071,744
  5. Step 5: Solve for x
    x = 2,597,809,374,255,071,744/1,733,643,011.80
  6. Step 6: Final answer
    x = 1,498,468,460.10

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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.