Home / 1,646,502,379.72-2,272,177,250.70-903,994,304.20

Finding the Fourth Proportional to 1,646,502,379.72, 2,272,177,250.70 and 903,994,304.20

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Solution

The fourth proportional to 1,646,502,379.72, 2,272,177,250.70 and 903,994,304.20 is: 1,247,514,317.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,646,502,379.72 : 2,272,177,250.70 = 903,994,304.20 : x
  2. Step 2: Convert to fraction form
    1,646,502,379.72/2,272,177,250.70 = 903,994,304.20/x
  3. Step 3: Cross multiply
    1,646,502,379.72x = 2,272,177,250.70 × 903,994,304.20
  4. Step 4: Simplify right side
    1,646,502,379.72x = 2,054,035,292,765,615,360
  5. Step 5: Solve for x
    x = 2,054,035,292,765,615,360/1,646,502,379.72
  6. Step 6: Final answer
    x = 1,247,514,317.66

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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.