Home / 80,642,306,319.60-120,963,459,479.40-52,779,492,418.80

Finding the Fourth Proportional to 80,642,306,319.60, 120,963,459,479.40 and 52,779,492,418.80

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Solution

The fourth proportional to 80,642,306,319.60, 120,963,459,479.40 and 52,779,492,418.80 is: 79,169,238,628.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,642,306,319.60 : 120,963,459,479.40 = 52,779,492,418.80 : x
  2. Step 2: Convert to fraction form
    80,642,306,319.60/120,963,459,479.40 = 52,779,492,418.80/x
  3. Step 3: Cross multiply
    80,642,306,319.60x = 120,963,459,479.40 × 52,779,492,418.80
  4. Step 4: Simplify right side
    80,642,306,319.60x = 6,384,389,992,544,812,924,928
  5. Step 5: Solve for x
    x = 6,384,389,992,544,812,924,928/80,642,306,319.60
  6. Step 6: Final answer
    x = 79,169,238,628.20

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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.