Home / 13,611,888,915.20-20,417,833,372.80-3,272,172,819.20

Finding the Fourth Proportional to 13,611,888,915.20, 20,417,833,372.80 and 3,272,172,819.20

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Solution

The fourth proportional to 13,611,888,915.20, 20,417,833,372.80 and 3,272,172,819.20 is: 4,908,259,228.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,611,888,915.20 : 20,417,833,372.80 = 3,272,172,819.20 : x
  2. Step 2: Convert to fraction form
    13,611,888,915.20/20,417,833,372.80 = 3,272,172,819.20/x
  3. Step 3: Cross multiply
    13,611,888,915.20x = 20,417,833,372.80 × 3,272,172,819.20
  4. Step 4: Simplify right side
    13,611,888,915.20x = 66,810,679,389,430,816,768
  5. Step 5: Solve for x
    x = 66,810,679,389,430,816,768/13,611,888,915.20
  6. Step 6: Final answer
    x = 4,908,259,228.80

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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.