Home / 12,178,418,672.40-18,269,643,547.80-5,194,575,344.40

Finding the Fourth Proportional to 12,178,418,672.40, 18,269,643,547.80 and 5,194,575,344.40

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Solution

The fourth proportional to 12,178,418,672.40, 18,269,643,547.80 and 5,194,575,344.40 is: 7,792,722,723.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,178,418,672.40 : 18,269,643,547.80 = 5,194,575,344.40 : x
  2. Step 2: Convert to fraction form
    12,178,418,672.40/18,269,643,547.80 = 5,194,575,344.40/x
  3. Step 3: Cross multiply
    12,178,418,672.40x = 18,269,643,547.80 × 5,194,575,344.40
  4. Step 4: Simplify right side
    12,178,418,672.40x = 94,903,039,924,378,419,200
  5. Step 5: Solve for x
    x = 94,903,039,924,378,419,200/12,178,418,672.40
  6. Step 6: Final answer
    x = 7,792,722,723.47

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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.