Home / 417,505,764.18-626,254,658.64-253,788,722.94

Finding the Fourth Proportional to 417,505,764.18, 626,254,658.64 and 253,788,722.94

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Solution

The fourth proportional to 417,505,764.18, 626,254,658.64 and 253,788,722.94 is: 380,680,660.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,505,764.18 : 626,254,658.64 = 253,788,722.94 : x
  2. Step 2: Convert to fraction form
    417,505,764.18/626,254,658.64 = 253,788,722.94/x
  3. Step 3: Cross multiply
    417,505,764.18x = 626,254,658.64 × 253,788,722.94
  4. Step 4: Simplify right side
    417,505,764.18x = 158,936,370,051,471,232
  5. Step 5: Solve for x
    x = 158,936,370,051,471,232/417,505,764.18
  6. Step 6: Final answer
    x = 380,680,660.45

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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.