Home / 666,010,646.46-998,671,745.61-292,365,603.90

Finding the Fourth Proportional to 666,010,646.46, 998,671,745.61 and 292,365,603.90

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Solution

The fourth proportional to 666,010,646.46, 998,671,745.61 and 292,365,603.90 is: 438,397,298.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    666,010,646.46 : 998,671,745.61 = 292,365,603.90 : x
  2. Step 2: Convert to fraction form
    666,010,646.46/998,671,745.61 = 292,365,603.90/x
  3. Step 3: Cross multiply
    666,010,646.46x = 998,671,745.61 × 292,365,603.90
  4. Step 4: Simplify right side
    666,010,646.46x = 291,977,268,003,134,784
  5. Step 5: Solve for x
    x = 291,977,268,003,134,784/666,010,646.46
  6. Step 6: Final answer
    x = 438,397,298.23

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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.