Home / 1,344,180,914.70-2,016,271,372.05-790,915,404.30

Finding the Fourth Proportional to 1,344,180,914.70, 2,016,271,372.05 and 790,915,404.30

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Solution

The fourth proportional to 1,344,180,914.70, 2,016,271,372.05 and 790,915,404.30 is: 1,186,373,106.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,344,180,914.70 : 2,016,271,372.05 = 790,915,404.30 : x
  2. Step 2: Convert to fraction form
    1,344,180,914.70/2,016,271,372.05 = 790,915,404.30/x
  3. Step 3: Cross multiply
    1,344,180,914.70x = 2,016,271,372.05 × 790,915,404.30
  4. Step 4: Simplify right side
    1,344,180,914.70x = 1,594,700,087,403,441,408
  5. Step 5: Solve for x
    x = 1,594,700,087,403,441,408/1,344,180,914.70
  6. Step 6: Final answer
    x = 1,186,373,106.45

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Double scale
Find fourth proportional to 1,344,180,915.70, 2,016,271,373.55 and 790,915,405.30
Similar ratio
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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.