Home / 497,666,507.40-746,499,761.10-255,353,905.80

Finding the Fourth Proportional to 497,666,507.40, 746,499,761.10 and 255,353,905.80

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Solution

The fourth proportional to 497,666,507.40, 746,499,761.10 and 255,353,905.80 is: 383,030,858.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,666,507.40 : 746,499,761.10 = 255,353,905.80 : x
  2. Step 2: Convert to fraction form
    497,666,507.40/746,499,761.10 = 255,353,905.80/x
  3. Step 3: Cross multiply
    497,666,507.40x = 746,499,761.10 × 255,353,905.80
  4. Step 4: Simplify right side
    497,666,507.40x = 190,621,629,675,651,904
  5. Step 5: Solve for x
    x = 190,621,629,675,651,904/497,666,507.40
  6. Step 6: Final answer
    x = 383,030,858.70

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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.