Home / 661,759,548.40-993,087,220.20-298,066,697.20

Finding the Fourth Proportional to 661,759,548.40, 993,087,220.20 and 298,066,697.20

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Solution

The fourth proportional to 661,759,548.40, 993,087,220.20 and 298,066,697.20 is: 447,301,785.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    661,759,548.40 : 993,087,220.20 = 298,066,697.20 : x
  2. Step 2: Convert to fraction form
    661,759,548.40/993,087,220.20 = 298,066,697.20/x
  3. Step 3: Cross multiply
    661,759,548.40x = 993,087,220.20 × 298,066,697.20
  4. Step 4: Simplify right side
    661,759,548.40x = 296,006,227,756,543,104
  5. Step 5: Solve for x
    x = 296,006,227,756,543,104/661,759,548.40
  6. Step 6: Final answer
    x = 447,301,785.78

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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.