Home / 990,845,799.89-1,486,848,261.17-369,490,297.10

Finding the Fourth Proportional to 990,845,799.89, 1,486,848,261.17 and 369,490,297.10

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Solution

The fourth proportional to 990,845,799.89, 1,486,848,261.17 and 369,490,297.10 is: 554,451,566.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    990,845,799.89 : 1,486,848,261.17 = 369,490,297.10 : x
  2. Step 2: Convert to fraction form
    990,845,799.89/1,486,848,261.17 = 369,490,297.10/x
  3. Step 3: Cross multiply
    990,845,799.89x = 1,486,848,261.17 × 369,490,297.10
  4. Step 4: Simplify right side
    990,845,799.89x = 549,376,005,755,811,200
  5. Step 5: Solve for x
    x = 549,376,005,755,811,200/990,845,799.89
  6. Step 6: Final answer
    x = 554,451,566.35

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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.