Home / 1,330,793,332.90-1,996,001,042.55-457,435,003.30

Finding the Fourth Proportional to 1,330,793,332.90, 1,996,001,042.55 and 457,435,003.30

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Solution

The fourth proportional to 1,330,793,332.90, 1,996,001,042.55 and 457,435,003.30 is: 686,087,554.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,330,793,332.90 : 1,996,001,042.55 = 457,435,003.30 : x
  2. Step 2: Convert to fraction form
    1,330,793,332.90/1,996,001,042.55 = 457,435,003.30/x
  3. Step 3: Cross multiply
    1,330,793,332.90x = 1,996,001,042.55 × 457,435,003.30
  4. Step 4: Simplify right side
    1,330,793,332.90x = 913,040,743,485,662,720
  5. Step 5: Solve for x
    x = 913,040,743,485,662,720/1,330,793,332.90
  6. Step 6: Final answer
    x = 686,087,554.63

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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.