Home / 832,467,008.20-1,248,291,904.50-411,802,346.38

Finding the Fourth Proportional to 832,467,008.20, 1,248,291,904.50 and 411,802,346.38

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Solution

The fourth proportional to 832,467,008.20, 1,248,291,904.50 and 411,802,346.38 is: 617,501,390.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    832,467,008.20 : 1,248,291,904.50 = 411,802,346.38 : x
  2. Step 2: Convert to fraction form
    832,467,008.20/1,248,291,904.50 = 411,802,346.38/x
  3. Step 3: Cross multiply
    832,467,008.20x = 1,248,291,904.50 × 411,802,346.38
  4. Step 4: Simplify right side
    832,467,008.20x = 514,049,535,240,258,880
  5. Step 5: Solve for x
    x = 514,049,535,240,258,880/832,467,008.20
  6. Step 6: Final answer
    x = 617,501,390.66

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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.