Home / 776,879,370.40-1,164,983,132.40-388,552,151.20

Finding the Fourth Proportional to 776,879,370.40, 1,164,983,132.40 and 388,552,151.20

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Solution

The fourth proportional to 776,879,370.40, 1,164,983,132.40 and 388,552,151.20 is: 582,660,216.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    776,879,370.40 : 1,164,983,132.40 = 388,552,151.20 : x
  2. Step 2: Convert to fraction form
    776,879,370.40/1,164,983,132.40 = 388,552,151.20/x
  3. Step 3: Cross multiply
    776,879,370.40x = 1,164,983,132.40 × 388,552,151.20
  4. Step 4: Simplify right side
    776,879,370.40x = 452,656,702,205,734,464
  5. Step 5: Solve for x
    x = 452,656,702,205,734,464/776,879,370.40
  6. Step 6: Final answer
    x = 582,660,216.57

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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.