Home / 1,989,776,027.01-2,983,091,405.90-993,285,632.90

Finding the Fourth Proportional to 1,989,776,027.01, 2,983,091,405.90 and 993,285,632.90

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Solution

The fourth proportional to 1,989,776,027.01, 2,983,091,405.90 and 993,285,632.90 is: 1,489,143,398.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,989,776,027.01 : 2,983,091,405.90 = 993,285,632.90 : x
  2. Step 2: Convert to fraction form
    1,989,776,027.01/2,983,091,405.90 = 993,285,632.90/x
  3. Step 3: Cross multiply
    1,989,776,027.01x = 2,983,091,405.90 × 993,285,632.90
  4. Step 4: Simplify right side
    1,989,776,027.01x = 2,963,061,835,110,423,552
  5. Step 5: Solve for x
    x = 2,963,061,835,110,423,552/1,989,776,027.01
  6. Step 6: Final answer
    x = 1,489,143,398.49

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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.