Home / 18,617,459,422.12-25,692,639,083.82-10,159,828,341.59

Finding the Fourth Proportional to 18,617,459,422.12, 25,692,639,083.82 and 10,159,828,341.59

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Solution

The fourth proportional to 18,617,459,422.12, 25,692,639,083.82 and 10,159,828,341.59 is: 14,020,860,570.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,617,459,422.12 : 25,692,639,083.82 = 10,159,828,341.59 : x
  2. Step 2: Convert to fraction form
    18,617,459,422.12/25,692,639,083.82 = 10,159,828,341.59/x
  3. Step 3: Cross multiply
    18,617,459,422.12x = 25,692,639,083.82 × 10,159,828,341.59
  4. Step 4: Simplify right side
    18,617,459,422.12x = 261,032,802,734,037,368,832
  5. Step 5: Solve for x
    x = 261,032,802,734,037,368,832/18,617,459,422.12
  6. Step 6: Final answer
    x = 14,020,860,570.48

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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.