Home / 1,570,131,641.81-2,166,718,581.13-855,652,023.20

Finding the Fourth Proportional to 1,570,131,641.81, 2,166,718,581.13 and 855,652,023.20

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Solution

The fourth proportional to 1,570,131,641.81, 2,166,718,581.13 and 855,652,023.20 is: 1,180,765,413.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,570,131,641.81 : 2,166,718,581.13 = 855,652,023.20 : x
  2. Step 2: Convert to fraction form
    1,570,131,641.81/2,166,718,581.13 = 855,652,023.20/x
  3. Step 3: Cross multiply
    1,570,131,641.81x = 2,166,718,581.13 × 855,652,023.20
  4. Step 4: Simplify right side
    1,570,131,641.81x = 1,853,957,137,644,053,504
  5. Step 5: Solve for x
    x = 1,853,957,137,644,053,504/1,570,131,641.81
  6. Step 6: Final answer
    x = 1,180,765,413.73

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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.