Home / 295,013,604.10-442,520,406.15-265,788,285.70

Finding the Fourth Proportional to 295,013,604.10, 442,520,406.15 and 265,788,285.70

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Solution

The fourth proportional to 295,013,604.10, 442,520,406.15 and 265,788,285.70 is: 398,682,428.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,013,604.10 : 442,520,406.15 = 265,788,285.70 : x
  2. Step 2: Convert to fraction form
    295,013,604.10/442,520,406.15 = 265,788,285.70/x
  3. Step 3: Cross multiply
    295,013,604.10x = 442,520,406.15 × 265,788,285.70
  4. Step 4: Simplify right side
    295,013,604.10x = 117,616,740,137,876,224
  5. Step 5: Solve for x
    x = 117,616,740,137,876,224/295,013,604.10
  6. Step 6: Final answer
    x = 398,682,428.55

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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.