Home / 628,766,566.68-867,701,276.76-360,821,064.60

Finding the Fourth Proportional to 628,766,566.68, 867,701,276.76 and 360,821,064.60

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Solution

The fourth proportional to 628,766,566.68, 867,701,276.76 and 360,821,064.60 is: 497,935,028.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,766,566.68 : 867,701,276.76 = 360,821,064.60 : x
  2. Step 2: Convert to fraction form
    628,766,566.68/867,701,276.76 = 360,821,064.60/x
  3. Step 3: Cross multiply
    628,766,566.68x = 867,701,276.76 × 360,821,064.60
  4. Step 4: Simplify right side
    628,766,566.68x = 313,084,898,435,322,432
  5. Step 5: Solve for x
    x = 313,084,898,435,322,432/628,766,566.68
  6. Step 6: Final answer
    x = 497,935,028.72

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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.