Home / 14,287,178,854.53-19,715,283,371.34-7,857,451,564.88

Finding the Fourth Proportional to 14,287,178,854.53, 19,715,283,371.34 and 7,857,451,564.88

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Solution

The fourth proportional to 14,287,178,854.53, 19,715,283,371.34 and 7,857,451,564.88 is: 10,842,720,298.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,287,178,854.53 : 19,715,283,371.34 = 7,857,451,564.88 : x
  2. Step 2: Convert to fraction form
    14,287,178,854.53/19,715,283,371.34 = 7,857,451,564.88/x
  3. Step 3: Cross multiply
    14,287,178,854.53x = 19,715,283,371.34 × 7,857,451,564.88
  4. Step 4: Simplify right side
    14,287,178,854.53x = 154,911,884,178,089,541,632
  5. Step 5: Solve for x
    x = 154,911,884,178,089,541,632/14,287,178,854.53
  6. Step 6: Final answer
    x = 10,842,720,298.76

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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.