Home / 840,258,648.30-1,260,575,356.77-258,051,649.98

Finding the Fourth Proportional to 840,258,648.30, 1,260,575,356.77 and 258,051,649.98

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Solution

The fourth proportional to 840,258,648.30, 1,260,575,356.77 and 258,051,649.98 is: 387,135,022.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    840,258,648.30 : 1,260,575,356.77 = 258,051,649.98 : x
  2. Step 2: Convert to fraction form
    840,258,648.30/1,260,575,356.77 = 258,051,649.98/x
  3. Step 3: Cross multiply
    840,258,648.30x = 1,260,575,356.77 × 258,051,649.98
  4. Step 4: Simplify right side
    840,258,648.30x = 325,293,550,738,625,664
  5. Step 5: Solve for x
    x = 325,293,550,738,625,664/840,258,648.30
  6. Step 6: Final answer
    x = 387,135,022.53

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.