Home / 772,417,468.80-1,158,626,203.20-190,147,089.60

Finding the Fourth Proportional to 772,417,468.80, 1,158,626,203.20 and 190,147,089.60

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Solution

The fourth proportional to 772,417,468.80, 1,158,626,203.20 and 190,147,089.60 is: 285,220,634.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    772,417,468.80 : 1,158,626,203.20 = 190,147,089.60 : x
  2. Step 2: Convert to fraction form
    772,417,468.80/1,158,626,203.20 = 190,147,089.60/x
  3. Step 3: Cross multiply
    772,417,468.80x = 1,158,626,203.20 × 190,147,089.60
  4. Step 4: Simplify right side
    772,417,468.80x = 220,309,400,472,778,208
  5. Step 5: Solve for x
    x = 220,309,400,472,778,208/772,417,468.80
  6. Step 6: Final answer
    x = 285,220,634.40

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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.