Home / 1,408,768,033.70-2,113,152,050.55-918,992,008.10

Finding the Fourth Proportional to 1,408,768,033.70, 2,113,152,050.55 and 918,992,008.10

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Solution

The fourth proportional to 1,408,768,033.70, 2,113,152,050.55 and 918,992,008.10 is: 1,378,488,012.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,408,768,033.70 : 2,113,152,050.55 = 918,992,008.10 : x
  2. Step 2: Convert to fraction form
    1,408,768,033.70/2,113,152,050.55 = 918,992,008.10/x
  3. Step 3: Cross multiply
    1,408,768,033.70x = 2,113,152,050.55 × 918,992,008.10
  4. Step 4: Simplify right side
    1,408,768,033.70x = 1,941,969,846,355,577,344
  5. Step 5: Solve for x
    x = 1,941,969,846,355,577,344/1,408,768,033.70
  6. Step 6: Final answer
    x = 1,378,488,012.15

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Double scale
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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.