Home / 778,045,295.01-1,073,699,297.14-420,813,470.57

Finding the Fourth Proportional to 778,045,295.01, 1,073,699,297.14 and 420,813,470.57

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Solution

The fourth proportional to 778,045,295.01, 1,073,699,297.14 and 420,813,470.57 is: 580,720,853.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    778,045,295.01 : 1,073,699,297.14 = 420,813,470.57 : x
  2. Step 2: Convert to fraction form
    778,045,295.01/1,073,699,297.14 = 420,813,470.57/x
  3. Step 3: Cross multiply
    778,045,295.01x = 1,073,699,297.14 × 420,813,470.57
  4. Step 4: Simplify right side
    778,045,295.01x = 451,827,127,578,053,056
  5. Step 5: Solve for x
    x = 451,827,127,578,053,056/778,045,295.01
  6. Step 6: Final answer
    x = 580,720,853.24

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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.