Home / 383,818,985.20-575,728,477.80-314,944,231.60

Finding the Fourth Proportional to 383,818,985.20, 575,728,477.80 and 314,944,231.60

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Solution

The fourth proportional to 383,818,985.20, 575,728,477.80 and 314,944,231.60 is: 472,416,347.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,818,985.20 : 575,728,477.80 = 314,944,231.60 : x
  2. Step 2: Convert to fraction form
    383,818,985.20/575,728,477.80 = 314,944,231.60/x
  3. Step 3: Cross multiply
    383,818,985.20x = 575,728,477.80 × 314,944,231.60
  4. Step 4: Simplify right side
    383,818,985.20x = 181,322,363,050,958,656
  5. Step 5: Solve for x
    x = 181,322,363,050,958,656/383,818,985.20
  6. Step 6: Final answer
    x = 472,416,347.40

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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.