Home / 13,611,888,905.70-20,417,833,358.55-3,272,172,809.70

Finding the Fourth Proportional to 13,611,888,905.70, 20,417,833,358.55 and 3,272,172,809.70

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Solution

The fourth proportional to 13,611,888,905.70, 20,417,833,358.55 and 3,272,172,809.70 is: 4,908,259,214.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,611,888,905.70 : 20,417,833,358.55 = 3,272,172,809.70 : x
  2. Step 2: Convert to fraction form
    13,611,888,905.70/20,417,833,358.55 = 3,272,172,809.70/x
  3. Step 3: Cross multiply
    13,611,888,905.70x = 20,417,833,358.55 × 3,272,172,809.70
  4. Step 4: Simplify right side
    13,611,888,905.70x = 66,810,679,148,832,931,840
  5. Step 5: Solve for x
    x = 66,810,679,148,832,931,840/13,611,888,905.70
  6. Step 6: Final answer
    x = 4,908,259,214.55

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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.