Home / 6,816,326,040.98-9,405,813,350.66-3,957,909,506.78

Finding the Fourth Proportional to 6,816,326,040.98, 9,405,813,350.66 and 3,957,909,506.78

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Solution

The fourth proportional to 6,816,326,040.98, 9,405,813,350.66 and 3,957,909,506.78 is: 5,461,499,032.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,816,326,040.98 : 9,405,813,350.66 = 3,957,909,506.78 : x
  2. Step 2: Convert to fraction form
    6,816,326,040.98/9,405,813,350.66 = 3,957,909,506.78/x
  3. Step 3: Cross multiply
    6,816,326,040.98x = 9,405,813,350.66 × 3,957,909,506.78
  4. Step 4: Simplify right side
    6,816,326,040.98x = 37,227,358,079,575,457,792
  5. Step 5: Solve for x
    x = 37,227,358,079,575,457,792/6,816,326,040.98
  6. Step 6: Final answer
    x = 5,461,499,032.73

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1.5x scale

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.