Home / 80,642,310,419.60-120,963,465,629.40-52,779,496,518.80

Finding the Fourth Proportional to 80,642,310,419.60, 120,963,465,629.40 and 52,779,496,518.80

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Solution

The fourth proportional to 80,642,310,419.60, 120,963,465,629.40 and 52,779,496,518.80 is: 79,169,244,778.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,642,310,419.60 : 120,963,465,629.40 = 52,779,496,518.80 : x
  2. Step 2: Convert to fraction form
    80,642,310,419.60/120,963,465,629.40 = 52,779,496,518.80/x
  3. Step 3: Cross multiply
    80,642,310,419.60x = 120,963,465,629.40 × 52,779,496,518.80
  4. Step 4: Simplify right side
    80,642,310,419.60x = 6,384,390,813,088,900,710,400
  5. Step 5: Solve for x
    x = 6,384,390,813,088,900,710,400/80,642,310,419.60
  6. Step 6: Final answer
    x = 79,169,244,778.20

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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.