Home / 298,995,133.20-448,009,810.20-169,216,803.60

Finding the Fourth Proportional to 298,995,133.20, 448,009,810.20 and 169,216,803.60

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Solution

The fourth proportional to 298,995,133.20, 448,009,810.20 and 169,216,803.60 is: 253,551,913.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,995,133.20 : 448,009,810.20 = 169,216,803.60 : x
  2. Step 2: Convert to fraction form
    298,995,133.20/448,009,810.20 = 169,216,803.60/x
  3. Step 3: Cross multiply
    298,995,133.20x = 448,009,810.20 × 169,216,803.60
  4. Step 4: Simplify right side
    298,995,133.20x = 75,810,788,063,486,672
  5. Step 5: Solve for x
    x = 75,810,788,063,486,672/298,995,133.20
  6. Step 6: Final answer
    x = 253,551,913.21

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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.