Home / 283,036,557-390,593,232.42-157,590,499.56

Finding the Fourth Proportional to 283,036,557, 390,593,232.42 and 157,590,499.56

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Solution

The fourth proportional to 283,036,557, 390,593,232.42 and 157,590,499.56 is: 217,476,439.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,036,557 : 390,593,232.42 = 157,590,499.56 : x
  2. Step 2: Convert to fraction form
    283,036,557/390,593,232.42 = 157,590,499.56/x
  3. Step 3: Cross multiply
    283,036,557x = 390,593,232.42 × 157,590,499.56
  4. Step 4: Simplify right side
    283,036,557x = 61,553,782,621,822,992
  5. Step 5: Solve for x
    x = 61,553,782,621,822,992/283,036,557
  6. Step 6: Final answer
    x = 217,476,439.35

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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.