Home / 559,837,375.46-772,575,910.72-312,318,729.98

Finding the Fourth Proportional to 559,837,375.46, 772,575,910.72 and 312,318,729.98

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Solution

The fourth proportional to 559,837,375.46, 772,575,910.72 and 312,318,729.98 is: 431,000,032.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,837,375.46 : 772,575,910.72 = 312,318,729.98 : x
  2. Step 2: Convert to fraction form
    559,837,375.46/772,575,910.72 = 312,318,729.98/x
  3. Step 3: Cross multiply
    559,837,375.46x = 772,575,910.72 × 312,318,729.98
  4. Step 4: Simplify right side
    559,837,375.46x = 241,289,927,249,212,288
  5. Step 5: Solve for x
    x = 241,289,927,249,212,288/559,837,375.46
  6. Step 6: Final answer
    x = 431,000,032.91

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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.