Home / 25,115,655,387.56-37,678,999,397.80-7,427,954,115.68

Finding the Fourth Proportional to 25,115,655,387.56, 37,678,999,397.80 and 7,427,954,115.68

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Solution

The fourth proportional to 25,115,655,387.56, 37,678,999,397.80 and 7,427,954,115.68 is: 11,143,562,623.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,115,655,387.56 : 37,678,999,397.80 = 7,427,954,115.68 : x
  2. Step 2: Convert to fraction form
    25,115,655,387.56/37,678,999,397.80 = 7,427,954,115.68/x
  3. Step 3: Cross multiply
    25,115,655,387.56x = 37,678,999,397.80 × 7,427,954,115.68
  4. Step 4: Simplify right side
    25,115,655,387.56x = 279,877,878,651,592,769,536
  5. Step 5: Solve for x
    x = 279,877,878,651,592,769,536/25,115,655,387.56
  6. Step 6: Final answer
    x = 11,143,562,623.90

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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.