Home / 550,798,384.78-760,115,401.44-299,916,530.26

Finding the Fourth Proportional to 550,798,384.78, 760,115,401.44 and 299,916,530.26

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Solution

The fourth proportional to 550,798,384.78, 760,115,401.44 and 299,916,530.26 is: 413,892,233.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,798,384.78 : 760,115,401.44 = 299,916,530.26 : x
  2. Step 2: Convert to fraction form
    550,798,384.78/760,115,401.44 = 299,916,530.26/x
  3. Step 3: Cross multiply
    550,798,384.78x = 760,115,401.44 × 299,916,530.26
  4. Step 4: Simplify right side
    550,798,384.78x = 227,971,173,797,071,808
  5. Step 5: Solve for x
    x = 227,971,173,797,071,808/550,798,384.78
  6. Step 6: Final answer
    x = 413,892,233.70

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.