Home / 885,673,587.33-1,222,229,503.86-478,304,256.41

Finding the Fourth Proportional to 885,673,587.33, 1,222,229,503.86 and 478,304,256.41

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Solution

The fourth proportional to 885,673,587.33, 1,222,229,503.86 and 478,304,256.41 is: 660,059,848.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,673,587.33 : 1,222,229,503.86 = 478,304,256.41 : x
  2. Step 2: Convert to fraction form
    885,673,587.33/1,222,229,503.86 = 478,304,256.41/x
  3. Step 3: Cross multiply
    885,673,587.33x = 1,222,229,503.86 × 478,304,256.41
  4. Step 4: Simplify right side
    885,673,587.33x = 584,597,574,002,463,488
  5. Step 5: Solve for x
    x = 584,597,574,002,463,488/885,673,587.33
  6. Step 6: Final answer
    x = 660,059,848.64

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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.