Home / 661,237,372.56-912,515,968.44-363,913,847.76

Finding the Fourth Proportional to 661,237,372.56, 912,515,968.44 and 363,913,847.76

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Solution

The fourth proportional to 661,237,372.56, 912,515,968.44 and 363,913,847.76 is: 502,205,729.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    661,237,372.56 : 912,515,968.44 = 363,913,847.76 : x
  2. Step 2: Convert to fraction form
    661,237,372.56/912,515,968.44 = 363,913,847.76/x
  3. Step 3: Cross multiply
    661,237,372.56x = 912,515,968.44 × 363,913,847.76
  4. Step 4: Simplify right side
    661,237,372.56x = 332,077,197,217,443,136
  5. Step 5: Solve for x
    x = 332,077,197,217,443,136/661,237,372.56
  6. Step 6: Final answer
    x = 502,205,729.74

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.