Home / 1,235,155,899.60-1,854,168,740.10-744,423,280.20

Finding the Fourth Proportional to 1,235,155,899.60, 1,854,168,740.10 and 744,423,280.20

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Solution

The fourth proportional to 1,235,155,899.60, 1,854,168,740.10 and 744,423,280.20 is: 1,117,499,722.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,235,155,899.60 : 1,854,168,740.10 = 744,423,280.20 : x
  2. Step 2: Convert to fraction form
    1,235,155,899.60/1,854,168,740.10 = 744,423,280.20/x
  3. Step 3: Cross multiply
    1,235,155,899.60x = 1,854,168,740.10 × 744,423,280.20
  4. Step 4: Simplify right side
    1,235,155,899.60x = 1,380,286,375,549,543,168
  5. Step 5: Solve for x
    x = 1,380,286,375,549,543,168/1,235,155,899.60
  6. Step 6: Final answer
    x = 1,117,499,722.91

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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.