Home / 695,896,447.60-1,043,679,859.08-259,402,040.56

Finding the Fourth Proportional to 695,896,447.60, 1,043,679,859.08 and 259,402,040.56

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Solution

The fourth proportional to 695,896,447.60, 1,043,679,859.08 and 259,402,040.56 is: 389,041,625.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    695,896,447.60 : 1,043,679,859.08 = 259,402,040.56 : x
  2. Step 2: Convert to fraction form
    695,896,447.60/1,043,679,859.08 = 259,402,040.56/x
  3. Step 3: Cross multiply
    695,896,447.60x = 1,043,679,859.08 × 259,402,040.56
  4. Step 4: Simplify right side
    695,896,447.60x = 270,732,685,136,725,248
  5. Step 5: Solve for x
    x = 270,732,685,136,725,248/695,896,447.60
  6. Step 6: Final answer
    x = 389,041,625.48

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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.