Home / 966,190,847.40-1,449,286,271.10-448,449,215.40

Finding the Fourth Proportional to 966,190,847.40, 1,449,286,271.10 and 448,449,215.40

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Solution

The fourth proportional to 966,190,847.40, 1,449,286,271.10 and 448,449,215.40 is: 672,673,823.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    966,190,847.40 : 1,449,286,271.10 = 448,449,215.40 : x
  2. Step 2: Convert to fraction form
    966,190,847.40/1,449,286,271.10 = 448,449,215.40/x
  3. Step 3: Cross multiply
    966,190,847.40x = 1,449,286,271.10 × 448,449,215.40
  4. Step 4: Simplify right side
    966,190,847.40x = 649,931,291,164,786,560
  5. Step 5: Solve for x
    x = 649,931,291,164,786,560/966,190,847.40
  6. Step 6: Final answer
    x = 672,673,823.10

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1.5x scale

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.