Home / 1,003,960,782.36-1,385,499,521.16-557,942,942.88

Finding the Fourth Proportional to 1,003,960,782.36, 1,385,499,521.16 and 557,942,942.88

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Solution

The fourth proportional to 1,003,960,782.36, 1,385,499,521.16 and 557,942,942.88 is: 769,979,957.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,003,960,782.36 : 1,385,499,521.16 = 557,942,942.88 : x
  2. Step 2: Convert to fraction form
    1,003,960,782.36/1,385,499,521.16 = 557,942,942.88/x
  3. Step 3: Cross multiply
    1,003,960,782.36x = 1,385,499,521.16 × 557,942,942.88
  4. Step 4: Simplify right side
    1,003,960,782.36x = 773,029,680,194,841,216
  5. Step 5: Solve for x
    x = 773,029,680,194,841,216/1,003,960,782.36
  6. Step 6: Final answer
    x = 769,979,957.16

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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.