Home / 1,035,485,249.31-1,553,233,680.45-345,390,608.79

Finding the Fourth Proportional to 1,035,485,249.31, 1,553,233,680.45 and 345,390,608.79

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Solution

The fourth proportional to 1,035,485,249.31, 1,553,233,680.45 and 345,390,608.79 is: 518,087,849.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,035,485,249.31 : 1,553,233,680.45 = 345,390,608.79 : x
  2. Step 2: Convert to fraction form
    1,035,485,249.31/1,553,233,680.45 = 345,390,608.79/x
  3. Step 3: Cross multiply
    1,035,485,249.31x = 1,553,233,680.45 × 345,390,608.79
  4. Step 4: Simplify right side
    1,035,485,249.31x = 536,472,326,483,757,888
  5. Step 5: Solve for x
    x = 536,472,326,483,757,888/1,035,485,249.31
  6. Step 6: Final answer
    x = 518,087,849.96

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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.