Home / 355,295,840.40-532,943,760.60-202,240,832.40

Finding the Fourth Proportional to 355,295,840.40, 532,943,760.60 and 202,240,832.40

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Solution

The fourth proportional to 355,295,840.40, 532,943,760.60 and 202,240,832.40 is: 303,361,248.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,295,840.40 : 532,943,760.60 = 202,240,832.40 : x
  2. Step 2: Convert to fraction form
    355,295,840.40/532,943,760.60 = 202,240,832.40/x
  3. Step 3: Cross multiply
    355,295,840.40x = 532,943,760.60 × 202,240,832.40
  4. Step 4: Simplify right side
    355,295,840.40x = 107,782,989,766,130,336
  5. Step 5: Solve for x
    x = 107,782,989,766,130,336/355,295,840.40
  6. Step 6: Final answer
    x = 303,361,248.60

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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.