Home / 12,519,152,471.28-17,276,819,199.96-6,880,265,854.32

Finding the Fourth Proportional to 12,519,152,471.28, 17,276,819,199.96 and 6,880,265,854.32

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Solution

The fourth proportional to 12,519,152,471.28, 17,276,819,199.96 and 6,880,265,854.32 is: 9,494,980,549.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,519,152,471.28 : 17,276,819,199.96 = 6,880,265,854.32 : x
  2. Step 2: Convert to fraction form
    12,519,152,471.28/17,276,819,199.96 = 6,880,265,854.32/x
  3. Step 3: Cross multiply
    12,519,152,471.28x = 17,276,819,199.96 × 6,880,265,854.32
  4. Step 4: Simplify right side
    12,519,152,471.28x = 118,869,109,212,744,957,952
  5. Step 5: Solve for x
    x = 118,869,109,212,744,957,952/12,519,152,471.28
  6. Step 6: Final answer
    x = 9,494,980,549.64

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.