Home / 832,467,011.20-1,248,291,909-411,802,349.36

Finding the Fourth Proportional to 832,467,011.20, 1,248,291,909 and 411,802,349.36

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Solution

The fourth proportional to 832,467,011.20, 1,248,291,909 and 411,802,349.36 is: 617,501,395.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    832,467,011.20 : 1,248,291,909 = 411,802,349.36 : x
  2. Step 2: Convert to fraction form
    832,467,011.20/1,248,291,909 = 411,802,349.36/x
  3. Step 3: Cross multiply
    832,467,011.20x = 1,248,291,909 × 411,802,349.36
  4. Step 4: Simplify right side
    832,467,011.20x = 514,049,540,813,279,360
  5. Step 5: Solve for x
    x = 514,049,540,813,279,360/832,467,011.20
  6. Step 6: Final answer
    x = 617,501,395.13

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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.