Home / 2,113,735,310,948.70-3,169,305,386,902-821,437,646,634.40

Finding the Fourth Proportional to 2,113,735,310,948.70, 3,169,305,386,902 and 821,437,646,634.40

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Solution

The fourth proportional to 2,113,735,310,948.70, 3,169,305,386,902 and 821,437,646,634.40 is: 1,231,652,205,930.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,113,735,310,948.70 : 3,169,305,386,902 = 821,437,646,634.40 : x
  2. Step 2: Convert to fraction form
    2,113,735,310,948.70/3,169,305,386,902 = 821,437,646,634.40/x
  3. Step 3: Cross multiply
    2,113,735,310,948.70x = 3,169,305,386,902 × 821,437,646,634.40
  4. Step 4: Simplify right side
    2,113,735,310,948.70x = 2,603,386,758,482,505,527,984,128
  5. Step 5: Solve for x
    x = 2,603,386,758,482,505,527,984,128/2,113,735,310,948.70
  6. Step 6: Final answer
    x = 1,231,652,205,930.19

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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.