Home / 663,896,438.92-916,158,821.40-366,533,277.48

Finding the Fourth Proportional to 663,896,438.92, 916,158,821.40 and 366,533,277.48

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Solution

The fourth proportional to 663,896,438.92, 916,158,821.40 and 366,533,277.48 is: 505,805,839.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    663,896,438.92 : 916,158,821.40 = 366,533,277.48 : x
  2. Step 2: Convert to fraction form
    663,896,438.92/916,158,821.40 = 366,533,277.48/x
  3. Step 3: Cross multiply
    663,896,438.92x = 916,158,821.40 × 366,533,277.48
  4. Step 4: Simplify right side
    663,896,438.92x = 335,802,695,499,955,968
  5. Step 5: Solve for x
    x = 335,802,695,499,955,968/663,896,438.92
  6. Step 6: Final answer
    x = 505,805,839.31

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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.