Home / 11,547,787,398.32-15,943,144,021.54-7,937,028,440.84

Finding the Fourth Proportional to 11,547,787,398.32, 15,943,144,021.54 and 7,937,028,440.84

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Solution

The fourth proportional to 11,547,787,398.32, 15,943,144,021.54 and 7,937,028,440.84 is: 10,958,046,175.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,547,787,398.32 : 15,943,144,021.54 = 7,937,028,440.84 : x
  2. Step 2: Convert to fraction form
    11,547,787,398.32/15,943,144,021.54 = 7,937,028,440.84/x
  3. Step 3: Cross multiply
    11,547,787,398.32x = 15,943,144,021.54 × 7,937,028,440.84
  4. Step 4: Simplify right side
    11,547,787,398.32x = 126,541,187,535,382,462,464
  5. Step 5: Solve for x
    x = 126,541,187,535,382,462,464/11,547,787,398.32
  6. Step 6: Final answer
    x = 10,958,046,175.47

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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.