Home / 970,035,326.78-1,455,031,981.29-270,508,797.69

Finding the Fourth Proportional to 970,035,326.78, 1,455,031,981.29 and 270,508,797.69

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Solution

The fourth proportional to 970,035,326.78, 1,455,031,981.29 and 270,508,797.69 is: 405,757,337.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    970,035,326.78 : 1,455,031,981.29 = 270,508,797.69 : x
  2. Step 2: Convert to fraction form
    970,035,326.78/1,455,031,981.29 = 270,508,797.69/x
  3. Step 3: Cross multiply
    970,035,326.78x = 1,455,031,981.29 × 270,508,797.69
  4. Step 4: Simplify right side
    970,035,326.78x = 393,598,951,854,815,488
  5. Step 5: Solve for x
    x = 393,598,951,854,815,488/970,035,326.78
  6. Step 6: Final answer
    x = 405,757,337.89

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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.