Home / 897,209,446.20-1,345,996,127.70-509,218,150.20

Finding the Fourth Proportional to 897,209,446.20, 1,345,996,127.70 and 509,218,150.20

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Solution

The fourth proportional to 897,209,446.20, 1,345,996,127.70 and 509,218,150.20 is: 763,930,497.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    897,209,446.20 : 1,345,996,127.70 = 509,218,150.20 : x
  2. Step 2: Convert to fraction form
    897,209,446.20/1,345,996,127.70 = 509,218,150.20/x
  3. Step 3: Cross multiply
    897,209,446.20x = 1,345,996,127.70 × 509,218,150.20
  4. Step 4: Simplify right side
    897,209,446.20x = 685,405,658,323,756,928
  5. Step 5: Solve for x
    x = 685,405,658,323,756,928/897,209,446.20
  6. Step 6: Final answer
    x = 763,930,497.20

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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.