Home / 1,989,776,223.08-2,983,091,699.36-993,285,827.72

Finding the Fourth Proportional to 1,989,776,223.08, 2,983,091,699.36 and 993,285,827.72

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Solution

The fourth proportional to 1,989,776,223.08, 2,983,091,699.36 and 993,285,827.72 is: 1,489,143,690.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,989,776,223.08 : 2,983,091,699.36 = 993,285,827.72 : x
  2. Step 2: Convert to fraction form
    1,989,776,223.08/2,983,091,699.36 = 993,285,827.72/x
  3. Step 3: Cross multiply
    1,989,776,223.08x = 2,983,091,699.36 × 993,285,827.72
  4. Step 4: Simplify right side
    1,989,776,223.08x = 2,963,062,707,748,544,000
  5. Step 5: Solve for x
    x = 2,963,062,707,748,544,000/1,989,776,223.08
  6. Step 6: Final answer
    x = 1,489,143,690.32

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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.