Home / 80,642,306,331.60-120,963,459,497.40-52,779,492,430.80

Finding the Fourth Proportional to 80,642,306,331.60, 120,963,459,497.40 and 52,779,492,430.80

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Solution

The fourth proportional to 80,642,306,331.60, 120,963,459,497.40 and 52,779,492,430.80 is: 79,169,238,646.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,642,306,331.60 : 120,963,459,497.40 = 52,779,492,430.80 : x
  2. Step 2: Convert to fraction form
    80,642,306,331.60/120,963,459,497.40 = 52,779,492,430.80/x
  3. Step 3: Cross multiply
    80,642,306,331.60x = 120,963,459,497.40 × 52,779,492,430.80
  4. Step 4: Simplify right side
    80,642,306,331.60x = 6,384,389,994,946,405,335,040
  5. Step 5: Solve for x
    x = 6,384,389,994,946,405,335,040/80,642,306,331.60
  6. Step 6: Final answer
    x = 79,169,238,646.20

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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.