Home / 6,438,528,004.20-9,657,792,006.30-4,479,423,901.80

Finding the Fourth Proportional to 6,438,528,004.20, 9,657,792,006.30 and 4,479,423,901.80

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Solution

The fourth proportional to 6,438,528,004.20, 9,657,792,006.30 and 4,479,423,901.80 is: 6,719,135,852.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,438,528,004.20 : 9,657,792,006.30 = 4,479,423,901.80 : x
  2. Step 2: Convert to fraction form
    6,438,528,004.20/9,657,792,006.30 = 4,479,423,901.80/x
  3. Step 3: Cross multiply
    6,438,528,004.20x = 9,657,792,006.30 × 4,479,423,901.80
  4. Step 4: Simplify right side
    6,438,528,004.20x = 43,261,344,351,633,195,008
  5. Step 5: Solve for x
    x = 43,261,344,351,633,195,008/6,438,528,004.20
  6. Step 6: Final answer
    x = 6,719,135,852.70

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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.