Home / 12,109,374,011.40-18,164,061,017.10-8,844,200,507.40

Finding the Fourth Proportional to 12,109,374,011.40, 18,164,061,017.10 and 8,844,200,507.40

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Solution

The fourth proportional to 12,109,374,011.40, 18,164,061,017.10 and 8,844,200,507.40 is: 13,266,300,761.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,109,374,011.40 : 18,164,061,017.10 = 8,844,200,507.40 : x
  2. Step 2: Convert to fraction form
    12,109,374,011.40/18,164,061,017.10 = 8,844,200,507.40/x
  3. Step 3: Cross multiply
    12,109,374,011.40x = 18,164,061,017.10 × 8,844,200,507.40
  4. Step 4: Simplify right side
    12,109,374,011.40x = 160,646,597,663,880,347,648
  5. Step 5: Solve for x
    x = 160,646,597,663,880,347,648/12,109,374,011.40
  6. Step 6: Final answer
    x = 13,266,300,761.10

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Double scale
Find fourth proportional to 12,109,374,012.40, 18,164,061,018.60 and 8,844,200,508.40
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.