Home / 299,045,145.60-448,567,718.40-258,734,361.60

Finding the Fourth Proportional to 299,045,145.60, 448,567,718.40 and 258,734,361.60

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Solution

The fourth proportional to 299,045,145.60, 448,567,718.40 and 258,734,361.60 is: 388,101,542.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,045,145.60 : 448,567,718.40 = 258,734,361.60 : x
  2. Step 2: Convert to fraction form
    299,045,145.60/448,567,718.40 = 258,734,361.60/x
  3. Step 3: Cross multiply
    299,045,145.60x = 448,567,718.40 × 258,734,361.60
  4. Step 4: Simplify right side
    299,045,145.60x = 116,059,882,254,592,560
  5. Step 5: Solve for x
    x = 116,059,882,254,592,560/299,045,145.60
  6. Step 6: Final answer
    x = 388,101,542.40

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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.