Home / 384,912,309.60-577,368,464.40-262,468,303.20

Finding the Fourth Proportional to 384,912,309.60, 577,368,464.40 and 262,468,303.20

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Solution

The fourth proportional to 384,912,309.60, 577,368,464.40 and 262,468,303.20 is: 393,702,454.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,912,309.60 : 577,368,464.40 = 262,468,303.20 : x
  2. Step 2: Convert to fraction form
    384,912,309.60/577,368,464.40 = 262,468,303.20/x
  3. Step 3: Cross multiply
    384,912,309.60x = 577,368,464.40 × 262,468,303.20
  4. Step 4: Simplify right side
    384,912,309.60x = 151,540,921,172,257,600
  5. Step 5: Solve for x
    x = 151,540,921,172,257,600/384,912,309.60
  6. Step 6: Final answer
    x = 393,702,454.80

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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.