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Finding the Fourth Proportional to 1,984,170,417.22, 2,976,263,649.84 and 803,773,219

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Solution

The fourth proportional to 1,984,170,417.22, 2,976,263,649.84 and 803,773,219 is: 1,205,663,078.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,984,170,417.22 : 2,976,263,649.84 = 803,773,219 : x
  2. Step 2: Convert to fraction form
    1,984,170,417.22/2,976,263,649.84 = 803,773,219/x
  3. Step 3: Cross multiply
    1,984,170,417.22x = 2,976,263,649.84 × 803,773,219
  4. Step 4: Simplify right side
    1,984,170,417.22x = 2,392,241,014,424,585,728
  5. Step 5: Solve for x
    x = 2,392,241,014,424,585,728/1,984,170,417.22
  6. Step 6: Final answer
    x = 1,205,663,078.97

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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.