Home / 338,168,703.80-507,266,469.48-160,863,266.72

Finding the Fourth Proportional to 338,168,703.80, 507,266,469.48 and 160,863,266.72

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Solution

The fourth proportional to 338,168,703.80, 507,266,469.48 and 160,863,266.72 is: 241,301,280.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,168,703.80 : 507,266,469.48 = 160,863,266.72 : x
  2. Step 2: Convert to fraction form
    338,168,703.80/507,266,469.48 = 160,863,266.72/x
  3. Step 3: Cross multiply
    338,168,703.80x = 507,266,469.48 × 160,863,266.72
  4. Step 4: Simplify right side
    338,168,703.80x = 81,600,541,378,073,984
  5. Step 5: Solve for x
    x = 81,600,541,378,073,984/338,168,703.80
  6. Step 6: Final answer
    x = 241,301,280.87

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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.