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Finding the Fourth Proportional to 1,488,978,026.90, 2,233,467,040.35 and 999,202,001.30

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Solution

The fourth proportional to 1,488,978,026.90, 2,233,467,040.35 and 999,202,001.30 is: 1,498,803,001.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,488,978,026.90 : 2,233,467,040.35 = 999,202,001.30 : x
  2. Step 2: Convert to fraction form
    1,488,978,026.90/2,233,467,040.35 = 999,202,001.30/x
  3. Step 3: Cross multiply
    1,488,978,026.90x = 2,233,467,040.35 × 999,202,001.30
  4. Step 4: Simplify right side
    1,488,978,026.90x = 2,231,684,736,555,307,776
  5. Step 5: Solve for x
    x = 2,231,684,736,555,307,776/1,488,978,026.90
  6. Step 6: Final answer
    x = 1,498,803,001.95

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.