Home / 1,138,644,852.30-1,707,967,278.45-909,062,340.30

Finding the Fourth Proportional to 1,138,644,852.30, 1,707,967,278.45 and 909,062,340.30

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Solution

The fourth proportional to 1,138,644,852.30, 1,707,967,278.45 and 909,062,340.30 is: 1,363,593,510.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,138,644,852.30 : 1,707,967,278.45 = 909,062,340.30 : x
  2. Step 2: Convert to fraction form
    1,138,644,852.30/1,707,967,278.45 = 909,062,340.30/x
  3. Step 3: Cross multiply
    1,138,644,852.30x = 1,707,967,278.45 × 909,062,340.30
  4. Step 4: Simplify right side
    1,138,644,852.30x = 1,552,648,731,303,578,624
  5. Step 5: Solve for x
    x = 1,552,648,731,303,578,624/1,138,644,852.30
  6. Step 6: Final answer
    x = 1,363,593,510.45

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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.