Home / 653,205,742.80-979,808,614.20-265,214,446.80

Finding the Fourth Proportional to 653,205,742.80, 979,808,614.20 and 265,214,446.80

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Solution

The fourth proportional to 653,205,742.80, 979,808,614.20 and 265,214,446.80 is: 397,821,670.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    653,205,742.80 : 979,808,614.20 = 265,214,446.80 : x
  2. Step 2: Convert to fraction form
    653,205,742.80/979,808,614.20 = 265,214,446.80/x
  3. Step 3: Cross multiply
    653,205,742.80x = 979,808,614.20 × 265,214,446.80
  4. Step 4: Simplify right side
    653,205,742.80x = 259,859,399,584,927,648
  5. Step 5: Solve for x
    x = 259,859,399,584,927,648/653,205,742.80
  6. Step 6: Final answer
    x = 397,821,670.20

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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.