Home / 681,322,225.50-940,225,507.11-368,056,432.98

Finding the Fourth Proportional to 681,322,225.50, 940,225,507.11 and 368,056,432.98

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Solution

The fourth proportional to 681,322,225.50, 940,225,507.11 and 368,056,432.98 is: 507,918,329.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,322,225.50 : 940,225,507.11 = 368,056,432.98 : x
  2. Step 2: Convert to fraction form
    681,322,225.50/940,225,507.11 = 368,056,432.98/x
  3. Step 3: Cross multiply
    681,322,225.50x = 940,225,507.11 × 368,056,432.98
  4. Step 4: Simplify right side
    681,322,225.50x = 346,056,046,343,718,272
  5. Step 5: Solve for x
    x = 346,056,046,343,718,272/681,322,225.50
  6. Step 6: Final answer
    x = 507,918,329.08

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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.