Home / 947,782,808.26-1,421,868,111.76-325,917,277.83

Finding the Fourth Proportional to 947,782,808.26, 1,421,868,111.76 and 325,917,277.83

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Solution

The fourth proportional to 947,782,808.26, 1,421,868,111.76 and 325,917,277.83 is: 488,942,593.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    947,782,808.26 : 1,421,868,111.76 = 325,917,277.83 : x
  2. Step 2: Convert to fraction form
    947,782,808.26/1,421,868,111.76 = 325,917,277.83/x
  3. Step 3: Cross multiply
    947,782,808.26x = 1,421,868,111.76 × 325,917,277.83
  4. Step 4: Simplify right side
    947,782,808.26x = 463,411,384,423,857,152
  5. Step 5: Solve for x
    x = 463,411,384,423,857,152/947,782,808.26
  6. Step 6: Final answer
    x = 488,942,593.58

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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.