Home / 328,536,438.40-492,804,657.60-167,293,302.40

Finding the Fourth Proportional to 328,536,438.40, 492,804,657.60 and 167,293,302.40

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Solution

The fourth proportional to 328,536,438.40, 492,804,657.60 and 167,293,302.40 is: 250,939,953.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,536,438.40 : 492,804,657.60 = 167,293,302.40 : x
  2. Step 2: Convert to fraction form
    328,536,438.40/492,804,657.60 = 167,293,302.40/x
  3. Step 3: Cross multiply
    328,536,438.40x = 492,804,657.60 × 167,293,302.40
  4. Step 4: Simplify right side
    328,536,438.40x = 82,442,918,608,005,264
  5. Step 5: Solve for x
    x = 82,442,918,608,005,264/328,536,438.40
  6. Step 6: Final answer
    x = 250,939,953.60

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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.