Home / 15,703,886,341.02-21,671,433,443.79-8,567,278,527.18

Finding the Fourth Proportional to 15,703,886,341.02, 21,671,433,443.79 and 8,567,278,527.18

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Solution

The fourth proportional to 15,703,886,341.02, 21,671,433,443.79 and 8,567,278,527.18 is: 11,822,882,716.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,703,886,341.02 : 21,671,433,443.79 = 8,567,278,527.18 : x
  2. Step 2: Convert to fraction form
    15,703,886,341.02/21,671,433,443.79 = 8,567,278,527.18/x
  3. Step 3: Cross multiply
    15,703,886,341.02x = 21,671,433,443.79 × 8,567,278,527.18
  4. Step 4: Simplify right side
    15,703,886,341.02x = 185,665,206,396,192,587,776
  5. Step 5: Solve for x
    x = 185,665,206,396,192,587,776/15,703,886,341.02
  6. Step 6: Final answer
    x = 11,822,882,716.06

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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.