Home / 666,010,508.72-998,671,539-292,365,466.16

Finding the Fourth Proportional to 666,010,508.72, 998,671,539 and 292,365,466.16

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Solution

The fourth proportional to 666,010,508.72, 998,671,539 and 292,365,466.16 is: 438,397,091.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    666,010,508.72 : 998,671,539 = 292,365,466.16 : x
  2. Step 2: Convert to fraction form
    666,010,508.72/998,671,539 = 292,365,466.16/x
  3. Step 3: Cross multiply
    666,010,508.72x = 998,671,539 × 292,365,466.16
  4. Step 4: Simplify right side
    666,010,508.72x = 291,977,070,040,459,648
  5. Step 5: Solve for x
    x = 291,977,070,040,459,648/666,010,508.72
  6. Step 6: Final answer
    x = 438,397,091.66

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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.