Home / 990,845,845-1,486,848,328.70-369,490,342.22

Finding the Fourth Proportional to 990,845,845, 1,486,848,328.70 and 369,490,342.22

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Solution

The fourth proportional to 990,845,845, 1,486,848,328.70 and 369,490,342.22 is: 554,451,634.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    990,845,845 : 1,486,848,328.70 = 369,490,342.22 : x
  2. Step 2: Convert to fraction form
    990,845,845/1,486,848,328.70 = 369,490,342.22/x
  3. Step 3: Cross multiply
    990,845,845x = 1,486,848,328.70 × 369,490,342.22
  4. Step 4: Simplify right side
    990,845,845x = 549,376,097,800,598,080
  5. Step 5: Solve for x
    x = 549,376,097,800,598,080/990,845,845
  6. Step 6: Final answer
    x = 554,451,634.00

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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.