Home / 662,019,262.80-913,575,421.20-364,689,317.88

Finding the Fourth Proportional to 662,019,262.80, 913,575,421.20 and 364,689,317.88

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Solution

The fourth proportional to 662,019,262.80, 913,575,421.20 and 364,689,317.88 is: 503,265,110.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,019,262.80 : 913,575,421.20 = 364,689,317.88 : x
  2. Step 2: Convert to fraction form
    662,019,262.80/913,575,421.20 = 364,689,317.88/x
  3. Step 3: Cross multiply
    662,019,262.80x = 913,575,421.20 × 364,689,317.88
  4. Step 4: Simplify right side
    662,019,262.80x = 333,171,197,189,361,728
  5. Step 5: Solve for x
    x = 333,171,197,189,361,728/662,019,262.80
  6. Step 6: Final answer
    x = 503,265,110.11

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.