Home / 7,287,046,811.22-10,056,129,344.38-3,945,547,357.14

Finding the Fourth Proportional to 7,287,046,811.22, 10,056,129,344.38 and 3,945,547,357.14

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Solution

The fourth proportional to 7,287,046,811.22, 10,056,129,344.38 and 3,945,547,357.14 is: 5,444,857,921.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,287,046,811.22 : 10,056,129,344.38 = 3,945,547,357.14 : x
  2. Step 2: Convert to fraction form
    7,287,046,811.22/10,056,129,344.38 = 3,945,547,357.14/x
  3. Step 3: Cross multiply
    7,287,046,811.22x = 10,056,129,344.38 × 3,945,547,357.14
  4. Step 4: Simplify right side
    7,287,046,811.22x = 39,676,934,557,776,502,784
  5. Step 5: Solve for x
    x = 39,676,934,557,776,502,784/7,287,046,811.22
  6. Step 6: Final answer
    x = 5,444,857,921.96

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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.