Home / 2,166,248,518,021-3,249,386,623,686.90-636,418,561,833.75

Finding the Fourth Proportional to 2,166,248,518,021, 3,249,386,623,686.90 and 636,418,561,833.75

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Solution

The fourth proportional to 2,166,248,518,021, 3,249,386,623,686.90 and 636,418,561,833.75 is: 954,631,910,736.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,166,248,518,021 : 3,249,386,623,686.90 = 636,418,561,833.75 : x
  2. Step 2: Convert to fraction form
    2,166,248,518,021/3,249,386,623,686.90 = 636,418,561,833.75/x
  3. Step 3: Cross multiply
    2,166,248,518,021x = 3,249,386,623,686.90 × 636,418,561,833.75
  4. Step 4: Simplify right side
    2,166,248,518,021x = 2,067,969,961,888,641,408,040,960
  5. Step 5: Solve for x
    x = 2,067,969,961,888,641,408,040,960/2,166,248,518,021
  6. Step 6: Final answer
    x = 954,631,910,736.57

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Double scale
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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.