Home / 488,536,012.80-732,804,019.20-258,953,500.80

Finding the Fourth Proportional to 488,536,012.80, 732,804,019.20 and 258,953,500.80

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Solution

The fourth proportional to 488,536,012.80, 732,804,019.20 and 258,953,500.80 is: 388,430,251.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,536,012.80 : 732,804,019.20 = 258,953,500.80 : x
  2. Step 2: Convert to fraction form
    488,536,012.80/732,804,019.20 = 258,953,500.80/x
  3. Step 3: Cross multiply
    488,536,012.80x = 732,804,019.20 × 258,953,500.80
  4. Step 4: Simplify right side
    488,536,012.80x = 189,762,166,172,150,432
  5. Step 5: Solve for x
    x = 189,762,166,172,150,432/488,536,012.80
  6. Step 6: Final answer
    x = 388,430,251.20

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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.