Home / 435,902,155,542.80-653,853,233,314.20-200,809,663,254.80

Finding the Fourth Proportional to 435,902,155,542.80, 653,853,233,314.20 and 200,809,663,254.80

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Solution

The fourth proportional to 435,902,155,542.80, 653,853,233,314.20 and 200,809,663,254.80 is: 301,214,494,882.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,902,155,542.80 : 653,853,233,314.20 = 200,809,663,254.80 : x
  2. Step 2: Convert to fraction form
    435,902,155,542.80/653,853,233,314.20 = 200,809,663,254.80/x
  3. Step 3: Cross multiply
    435,902,155,542.80x = 653,853,233,314.20 × 200,809,663,254.80
  4. Step 4: Simplify right side
    435,902,155,542.80x = 131,300,047,599,886,663,680,000
  5. Step 5: Solve for x
    x = 131,300,047,599,886,663,680,000/435,902,155,542.80
  6. Step 6: Final answer
    x = 301,214,494,882.20

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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.