Home / 7,528,437,789.90-11,290,260,851.67-2,485,355,262.51

Finding the Fourth Proportional to 7,528,437,789.90, 11,290,260,851.67 and 2,485,355,262.51

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Solution

The fourth proportional to 7,528,437,789.90, 11,290,260,851.67 and 2,485,355,262.51 is: 3,727,241,959.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,528,437,789.90 : 11,290,260,851.67 = 2,485,355,262.51 : x
  2. Step 2: Convert to fraction form
    7,528,437,789.90/11,290,260,851.67 = 2,485,355,262.51/x
  3. Step 3: Cross multiply
    7,528,437,789.90x = 11,290,260,851.67 × 2,485,355,262.51
  4. Step 4: Simplify right side
    7,528,437,789.90x = 28,060,309,222,808,670,208
  5. Step 5: Solve for x
    x = 28,060,309,222,808,670,208/7,528,437,789.90
  6. Step 6: Final answer
    x = 3,727,241,959.87

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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.