Home / 80,574,913,879.60-120,862,370,819.40-45,746,396,503.60

Finding the Fourth Proportional to 80,574,913,879.60, 120,862,370,819.40 and 45,746,396,503.60

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Solution

The fourth proportional to 80,574,913,879.60, 120,862,370,819.40 and 45,746,396,503.60 is: 68,619,594,755.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,574,913,879.60 : 120,862,370,819.40 = 45,746,396,503.60 : x
  2. Step 2: Convert to fraction form
    80,574,913,879.60/120,862,370,819.40 = 45,746,396,503.60/x
  3. Step 3: Cross multiply
    80,574,913,879.60x = 120,862,370,819.40 × 45,746,396,503.60
  4. Step 4: Simplify right side
    80,574,913,879.60x = 5,529,017,937,869,406,208,000
  5. Step 5: Solve for x
    x = 5,529,017,937,869,406,208,000/80,574,913,879.60
  6. Step 6: Final answer
    x = 68,619,594,755.40

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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.