Home / 492,145,124.40-738,217,686.60-200,915,456.40

Finding the Fourth Proportional to 492,145,124.40, 738,217,686.60 and 200,915,456.40

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Solution

The fourth proportional to 492,145,124.40, 738,217,686.60 and 200,915,456.40 is: 301,373,184.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,145,124.40 : 738,217,686.60 = 200,915,456.40 : x
  2. Step 2: Convert to fraction form
    492,145,124.40/738,217,686.60 = 200,915,456.40/x
  3. Step 3: Cross multiply
    492,145,124.40x = 738,217,686.60 × 200,915,456.40
  4. Step 4: Simplify right side
    492,145,124.40x = 148,319,343,425,791,168
  5. Step 5: Solve for x
    x = 148,319,343,425,791,168/492,145,124.40
  6. Step 6: Final answer
    x = 301,373,184.60

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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.