Home / 1,122,519,095.84-1,549,086,375.76-620,761,831.31

Finding the Fourth Proportional to 1,122,519,095.84, 1,549,086,375.76 and 620,761,831.31

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Solution

The fourth proportional to 1,122,519,095.84, 1,549,086,375.76 and 620,761,831.31 is: 856,656,870.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,122,519,095.84 : 1,549,086,375.76 = 620,761,831.31 : x
  2. Step 2: Convert to fraction form
    1,122,519,095.84/1,549,086,375.76 = 620,761,831.31/x
  3. Step 3: Cross multiply
    1,122,519,095.84x = 1,549,086,375.76 × 620,761,831.31
  4. Step 4: Simplify right side
    1,122,519,095.84x = 961,613,695,476,438,144
  5. Step 5: Solve for x
    x = 961,613,695,476,438,144/1,122,519,095.84
  6. Step 6: Final answer
    x = 856,656,870.28

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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.