Home / 808,472,430.80-1,212,805,458.87-248,160,866.96

Finding the Fourth Proportional to 808,472,430.80, 1,212,805,458.87 and 248,160,866.96

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Solution

The fourth proportional to 808,472,430.80, 1,212,805,458.87 and 248,160,866.96 is: 372,271,017.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,472,430.80 : 1,212,805,458.87 = 248,160,866.96 : x
  2. Step 2: Convert to fraction form
    808,472,430.80/1,212,805,458.87 = 248,160,866.96/x
  3. Step 3: Cross multiply
    808,472,430.80x = 1,212,805,458.87 × 248,160,866.96
  4. Step 4: Simplify right side
    808,472,430.80x = 300,970,854,124,370,112
  5. Step 5: Solve for x
    x = 300,970,854,124,370,112/808,472,430.80
  6. Step 6: Final answer
    x = 372,271,017.12

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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.