Home / 80,642,303,999.60-120,963,455,999.40-52,779,490,098.80

Finding the Fourth Proportional to 80,642,303,999.60, 120,963,455,999.40 and 52,779,490,098.80

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Solution

The fourth proportional to 80,642,303,999.60, 120,963,455,999.40 and 52,779,490,098.80 is: 79,169,235,148.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,642,303,999.60 : 120,963,455,999.40 = 52,779,490,098.80 : x
  2. Step 2: Convert to fraction form
    80,642,303,999.60/120,963,455,999.40 = 52,779,490,098.80/x
  3. Step 3: Cross multiply
    80,642,303,999.60x = 120,963,455,999.40 × 52,779,490,098.80
  4. Step 4: Simplify right side
    80,642,303,999.60x = 6,384,389,528,236,961,300,480
  5. Step 5: Solve for x
    x = 6,384,389,528,236,961,300,480/80,642,303,999.60
  6. Step 6: Final answer
    x = 79,169,235,148.20

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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.