Home / 12,589,341,567.28-17,374,814,843.68-7,165,196,048.32

Finding the Fourth Proportional to 12,589,341,567.28, 17,374,814,843.68 and 7,165,196,048.32

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Solution

The fourth proportional to 12,589,341,567.28, 17,374,814,843.68 and 7,165,196,048.32 is: 9,888,837,632.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,589,341,567.28 : 17,374,814,843.68 = 7,165,196,048.32 : x
  2. Step 2: Convert to fraction form
    12,589,341,567.28/17,374,814,843.68 = 7,165,196,048.32/x
  3. Step 3: Cross multiply
    12,589,341,567.28x = 17,374,814,843.68 × 7,165,196,048.32
  4. Step 4: Simplify right side
    12,589,341,567.28x = 124,493,954,658,227,617,792
  5. Step 5: Solve for x
    x = 124,493,954,658,227,617,792/12,589,341,567.28
  6. Step 6: Final answer
    x = 9,888,837,632.45

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Double scale
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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.