Home / 660,861,903.15-912,006,627.30-363,511,806.30

Finding the Fourth Proportional to 660,861,903.15, 912,006,627.30 and 363,511,806.30

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Solution

The fourth proportional to 660,861,903.15, 912,006,627.30 and 363,511,806.30 is: 501,655,754.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    660,861,903.15 : 912,006,627.30 = 363,511,806.30 : x
  2. Step 2: Convert to fraction form
    660,861,903.15/912,006,627.30 = 363,511,806.30/x
  3. Step 3: Cross multiply
    660,861,903.15x = 912,006,627.30 × 363,511,806.30
  4. Step 4: Simplify right side
    660,861,903.15x = 331,525,176,447,393,856
  5. Step 5: Solve for x
    x = 331,525,176,447,393,856/660,861,903.15
  6. Step 6: Final answer
    x = 501,655,754.20

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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.