Home / 1,945,390,979.40-2,918,265,857.10-635,299,898.10

Finding the Fourth Proportional to 1,945,390,979.40, 2,918,265,857.10 and 635,299,898.10

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Solution

The fourth proportional to 1,945,390,979.40, 2,918,265,857.10 and 635,299,898.10 is: 953,008,429.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,945,390,979.40 : 2,918,265,857.10 = 635,299,898.10 : x
  2. Step 2: Convert to fraction form
    1,945,390,979.40/2,918,265,857.10 = 635,299,898.10/x
  3. Step 3: Cross multiply
    1,945,390,979.40x = 2,918,265,857.10 × 635,299,898.10
  4. Step 4: Simplify right side
    1,945,390,979.40x = 1,853,974,001,644,339,200
  5. Step 5: Solve for x
    x = 1,853,974,001,644,339,200/1,945,390,979.40
  6. Step 6: Final answer
    x = 953,008,429.30

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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.