Home / 486,009,754.58-670,695,239.04-262,991,437.98

Finding the Fourth Proportional to 486,009,754.58, 670,695,239.04 and 262,991,437.98

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Solution

The fourth proportional to 486,009,754.58, 670,695,239.04 and 262,991,437.98 is: 362,929,146.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,009,754.58 : 670,695,239.04 = 262,991,437.98 : x
  2. Step 2: Convert to fraction form
    486,009,754.58/670,695,239.04 = 262,991,437.98/x
  3. Step 3: Cross multiply
    486,009,754.58x = 670,695,239.04 × 262,991,437.98
  4. Step 4: Simplify right side
    486,009,754.58x = 176,387,105,361,469,408
  5. Step 5: Solve for x
    x = 176,387,105,361,469,408/486,009,754.58
  6. Step 6: Final answer
    x = 362,929,146.38

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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.