Home / 645,816,738.30-967,938,104.03-334,752,861.87

Finding the Fourth Proportional to 645,816,738.30, 967,938,104.03 and 334,752,861.87

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Solution

The fourth proportional to 645,816,738.30, 967,938,104.03 and 334,752,861.87 is: 501,721,357.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    645,816,738.30 : 967,938,104.03 = 334,752,861.87 : x
  2. Step 2: Convert to fraction form
    645,816,738.30/967,938,104.03 = 334,752,861.87/x
  3. Step 3: Cross multiply
    645,816,738.30x = 967,938,104.03 × 334,752,861.87
  4. Step 4: Simplify right side
    645,816,738.30x = 324,020,050,430,550,848
  5. Step 5: Solve for x
    x = 324,020,050,430,550,848/645,816,738.30
  6. Step 6: Final answer
    x = 501,721,357.18

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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.