Home / 970,034,992.65-1,455,031,480.45-270,508,463.56

Finding the Fourth Proportional to 970,034,992.65, 1,455,031,480.45 and 270,508,463.56

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Solution

The fourth proportional to 970,034,992.65, 1,455,031,480.45 and 270,508,463.56 is: 405,756,836.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    970,034,992.65 : 1,455,031,480.45 = 270,508,463.56 : x
  2. Step 2: Convert to fraction form
    970,034,992.65/1,455,031,480.45 = 270,508,463.56/x
  3. Step 3: Cross multiply
    970,034,992.65x = 1,455,031,480.45 × 270,508,463.56
  4. Step 4: Simplify right side
    970,034,992.65x = 393,598,330,209,239,424
  5. Step 5: Solve for x
    x = 393,598,330,209,239,424/970,034,992.65
  6. Step 6: Final answer
    x = 405,756,836.81

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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.