Home / 488,536,268.80-732,804,403.20-258,953,756.80

Finding the Fourth Proportional to 488,536,268.80, 732,804,403.20 and 258,953,756.80

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Solution

The fourth proportional to 488,536,268.80, 732,804,403.20 and 258,953,756.80 is: 388,430,635.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,536,268.80 : 732,804,403.20 = 258,953,756.80 : x
  2. Step 2: Convert to fraction form
    488,536,268.80/732,804,403.20 = 258,953,756.80/x
  3. Step 3: Cross multiply
    488,536,268.80x = 732,804,403.20 × 258,953,756.80
  4. Step 4: Simplify right side
    488,536,268.80x = 189,762,453,208,221,952
  5. Step 5: Solve for x
    x = 189,762,453,208,221,952/488,536,268.80
  6. Step 6: Final answer
    x = 388,430,635.20

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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.