Home / 813,693,013.86-1,122,888,467.23-442,415,045.24

Finding the Fourth Proportional to 813,693,013.86, 1,122,888,467.23 and 442,415,045.24

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Solution

The fourth proportional to 813,693,013.86, 1,122,888,467.23 and 442,415,045.24 is: 610,528,471.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    813,693,013.86 : 1,122,888,467.23 = 442,415,045.24 : x
  2. Step 2: Convert to fraction form
    813,693,013.86/1,122,888,467.23 = 442,415,045.24/x
  3. Step 3: Cross multiply
    813,693,013.86x = 1,122,888,467.23 × 442,415,045.24
  4. Step 4: Simplify right side
    813,693,013.86x = 496,782,752,029,046,848
  5. Step 5: Solve for x
    x = 496,782,752,029,046,848/813,693,013.86
  6. Step 6: Final answer
    x = 610,528,471.51

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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.