Home / 1,245,943,678.10-1,868,915,517.15-1,245,943,678.10

Finding the Fourth Proportional to 1,245,943,678.10, 1,868,915,517.15 and 1,245,943,678.10

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Solution

The fourth proportional to 1,245,943,678.10, 1,868,915,517.15 and 1,245,943,678.10 is: 1,868,915,517.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,245,943,678.10 : 1,868,915,517.15 = 1,245,943,678.10 : x
  2. Step 2: Convert to fraction form
    1,245,943,678.10/1,868,915,517.15 = 1,245,943,678.10/x
  3. Step 3: Cross multiply
    1,245,943,678.10x = 1,868,915,517.15 × 1,245,943,678.10
  4. Step 4: Simplify right side
    1,245,943,678.10x = 2,328,563,473,496,034,816
  5. Step 5: Solve for x
    x = 2,328,563,473,496,034,816/1,245,943,678.10
  6. Step 6: Final answer
    x = 1,868,915,517.15

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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.