Home / 1,152,560,686.78-1,728,888,859.86-334,672,987.78

Finding the Fourth Proportional to 1,152,560,686.78, 1,728,888,859.86 and 334,672,987.78

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Solution

The fourth proportional to 1,152,560,686.78, 1,728,888,859.86 and 334,672,987.78 is: 502,023,370.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,152,560,686.78 : 1,728,888,859.86 = 334,672,987.78 : x
  2. Step 2: Convert to fraction form
    1,152,560,686.78/1,728,888,859.86 = 334,672,987.78/x
  3. Step 3: Cross multiply
    1,152,560,686.78x = 1,728,888,859.86 × 334,672,987.78
  4. Step 4: Simplify right side
    1,152,560,686.78x = 578,612,400,271,734,400
  5. Step 5: Solve for x
    x = 578,612,400,271,734,400/1,152,560,686.78
  6. Step 6: Final answer
    x = 502,023,370.14

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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.