Home / 908,165,430.40-1,362,248,145.60-449,000,406.40

Finding the Fourth Proportional to 908,165,430.40, 1,362,248,145.60 and 449,000,406.40

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Solution

The fourth proportional to 908,165,430.40, 1,362,248,145.60 and 449,000,406.40 is: 673,500,609.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    908,165,430.40 : 1,362,248,145.60 = 449,000,406.40 : x
  2. Step 2: Convert to fraction form
    908,165,430.40/1,362,248,145.60 = 449,000,406.40/x
  3. Step 3: Cross multiply
    908,165,430.40x = 1,362,248,145.60 × 449,000,406.40
  4. Step 4: Simplify right side
    908,165,430.40x = 611,649,970,992,046,336
  5. Step 5: Solve for x
    x = 611,649,970,992,046,336/908,165,430.40
  6. Step 6: Final answer
    x = 673,500,609.60

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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.