Home / 10,006,507,205.23-13,809,006,166.72-5,428,771,387.43

Finding the Fourth Proportional to 10,006,507,205.23, 13,809,006,166.72 and 5,428,771,387.43

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Solution

The fourth proportional to 10,006,507,205.23, 13,809,006,166.72 and 5,428,771,387.43 is: 7,491,718,741.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,006,507,205.23 : 13,809,006,166.72 = 5,428,771,387.43 : x
  2. Step 2: Convert to fraction form
    10,006,507,205.23/13,809,006,166.72 = 5,428,771,387.43/x
  3. Step 3: Cross multiply
    10,006,507,205.23x = 13,809,006,166.72 × 5,428,771,387.43
  4. Step 4: Simplify right side
    10,006,507,205.23x = 74,965,937,566,733,959,168
  5. Step 5: Solve for x
    x = 74,965,937,566,733,959,168/10,006,507,205.23
  6. Step 6: Final answer
    x = 7,491,718,741.54

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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.