Home / 488,536,278.30-732,804,417.45-258,953,766.30

Finding the Fourth Proportional to 488,536,278.30, 732,804,417.45 and 258,953,766.30

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Solution

The fourth proportional to 488,536,278.30, 732,804,417.45 and 258,953,766.30 is: 388,430,649.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,536,278.30 : 732,804,417.45 = 258,953,766.30 : x
  2. Step 2: Convert to fraction form
    488,536,278.30/732,804,417.45 = 258,953,766.30/x
  3. Step 3: Cross multiply
    488,536,278.30x = 732,804,417.45 × 258,953,766.30
  4. Step 4: Simplify right side
    488,536,278.30x = 189,762,463,859,954,976
  5. Step 5: Solve for x
    x = 189,762,463,859,954,976/488,536,278.30
  6. Step 6: Final answer
    x = 388,430,649.45

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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.