Home / 14,321,788,821.46-19,763,178,055.69-7,891,248,941.58

Finding the Fourth Proportional to 14,321,788,821.46, 19,763,178,055.69 and 7,891,248,941.58

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Solution

The fourth proportional to 14,321,788,821.46, 19,763,178,055.69 and 7,891,248,941.58 is: 10,889,432,867.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,321,788,821.46 : 19,763,178,055.69 = 7,891,248,941.58 : x
  2. Step 2: Convert to fraction form
    14,321,788,821.46/19,763,178,055.69 = 7,891,248,941.58/x
  3. Step 3: Cross multiply
    14,321,788,821.46x = 19,763,178,055.69 × 7,891,248,941.58
  4. Step 4: Simplify right side
    14,321,788,821.46x = 155,956,157,914,204,995,584
  5. Step 5: Solve for x
    x = 155,956,157,914,204,995,584/14,321,788,821.46
  6. Step 6: Final answer
    x = 10,889,432,867.53

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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.