Home / 508,619,511.43-761,816,946.48-360,618,452.50

Finding the Fourth Proportional to 508,619,511.43, 761,816,946.48 and 360,618,452.50

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Solution

The fourth proportional to 508,619,511.43, 761,816,946.48 and 360,618,452.50 is: 540,139,027.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,619,511.43 : 761,816,946.48 = 360,618,452.50 : x
  2. Step 2: Convert to fraction form
    508,619,511.43/761,816,946.48 = 360,618,452.50/x
  3. Step 3: Cross multiply
    508,619,511.43x = 761,816,946.48 × 360,618,452.50
  4. Step 4: Simplify right side
    508,619,511.43x = 274,725,248,327,892,928
  5. Step 5: Solve for x
    x = 274,725,248,327,892,928/508,619,511.43
  6. Step 6: Final answer
    x = 540,139,027.61

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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.