Home / 1,528,817,018.65-2,109,734,406.50-885,100,094.73

Finding the Fourth Proportional to 1,528,817,018.65, 2,109,734,406.50 and 885,100,094.73

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Solution

The fourth proportional to 1,528,817,018.65, 2,109,734,406.50 and 885,100,094.73 is: 1,221,418,979.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,528,817,018.65 : 2,109,734,406.50 = 885,100,094.73 : x
  2. Step 2: Convert to fraction form
    1,528,817,018.65/2,109,734,406.50 = 885,100,094.73/x
  3. Step 3: Cross multiply
    1,528,817,018.65x = 2,109,734,406.50 × 885,100,094.73
  4. Step 4: Simplify right side
    1,528,817,018.65x = 1,867,326,123,043,864,832
  5. Step 5: Solve for x
    x = 1,867,326,123,043,864,832/1,528,817,018.65
  6. Step 6: Final answer
    x = 1,221,418,979.69

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.