Home / 1,386,022,837.50-1,912,711,515.84-799,311,973.50

Finding the Fourth Proportional to 1,386,022,837.50, 1,912,711,515.84 and 799,311,973.50

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Solution

The fourth proportional to 1,386,022,837.50, 1,912,711,515.84 and 799,311,973.50 is: 1,103,050,523.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,386,022,837.50 : 1,912,711,515.84 = 799,311,973.50 : x
  2. Step 2: Convert to fraction form
    1,386,022,837.50/1,912,711,515.84 = 799,311,973.50/x
  3. Step 3: Cross multiply
    1,386,022,837.50x = 1,912,711,515.84 × 799,311,973.50
  4. Step 4: Simplify right side
    1,386,022,837.50x = 1,528,853,216,462,246,912
  5. Step 5: Solve for x
    x = 1,528,853,216,462,246,912/1,386,022,837.50
  6. Step 6: Final answer
    x = 1,103,050,523.48

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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.