Home / 663,977,672.72-995,792,669.76-197,513,415.84

Finding the Fourth Proportional to 663,977,672.72, 995,792,669.76 and 197,513,415.84

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Solution

The fourth proportional to 663,977,672.72, 995,792,669.76 and 197,513,415.84 is: 296,218,411.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    663,977,672.72 : 995,792,669.76 = 197,513,415.84 : x
  2. Step 2: Convert to fraction form
    663,977,672.72/995,792,669.76 = 197,513,415.84/x
  3. Step 3: Cross multiply
    663,977,672.72x = 995,792,669.76 × 197,513,415.84
  4. Step 4: Simplify right side
    663,977,672.72x = 196,682,411,672,730,688
  5. Step 5: Solve for x
    x = 196,682,411,672,730,688/663,977,672.72
  6. Step 6: Final answer
    x = 296,218,411.78

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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.