Home / 12,670,869,623.68-17,477,846,423.40-7,517,268,431.20

Finding the Fourth Proportional to 12,670,869,623.68, 17,477,846,423.40 and 7,517,268,431.20

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Solution

The fourth proportional to 12,670,869,623.68, 17,477,846,423.40 and 7,517,268,431.20 is: 10,369,111,755.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,670,869,623.68 : 17,477,846,423.40 = 7,517,268,431.20 : x
  2. Step 2: Convert to fraction form
    12,670,869,623.68/17,477,846,423.40 = 7,517,268,431.20/x
  3. Step 3: Cross multiply
    12,670,869,623.68x = 17,477,846,423.40 × 7,517,268,431.20
  4. Step 4: Simplify right side
    12,670,869,623.68x = 131,385,663,163,986,657,280
  5. Step 5: Solve for x
    x = 131,385,663,163,986,657,280/12,670,869,623.68
  6. Step 6: Final answer
    x = 10,369,111,755.24

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Double scale
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1.5x scale

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.