Home / 979,802,998.20-1,468,003,886.10-634,578,924.60

Finding the Fourth Proportional to 979,802,998.20, 1,468,003,886.10 and 634,578,924.60

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Solution

The fourth proportional to 979,802,998.20, 1,468,003,886.10 and 634,578,924.60 is: 950,766,969.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    979,802,998.20 : 1,468,003,886.10 = 634,578,924.60 : x
  2. Step 2: Convert to fraction form
    979,802,998.20/1,468,003,886.10 = 634,578,924.60/x
  3. Step 3: Cross multiply
    979,802,998.20x = 1,468,003,886.10 × 634,578,924.60
  4. Step 4: Simplify right side
    979,802,998.20x = 931,564,327,349,958,912
  5. Step 5: Solve for x
    x = 931,564,327,349,958,912/979,802,998.20
  6. Step 6: Final answer
    x = 950,766,969.55

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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.