Home / 823,443,646.09-1,136,371,976.49-447,116,095.39

Finding the Fourth Proportional to 823,443,646.09, 1,136,371,976.49 and 447,116,095.39

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Solution

The fourth proportional to 823,443,646.09, 1,136,371,976.49 and 447,116,095.39 is: 617,030,932.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    823,443,646.09 : 1,136,371,976.49 = 447,116,095.39 : x
  2. Step 2: Convert to fraction form
    823,443,646.09/1,136,371,976.49 = 447,116,095.39/x
  3. Step 3: Cross multiply
    823,443,646.09x = 1,136,371,976.49 × 447,116,095.39
  4. Step 4: Simplify right side
    823,443,646.09x = 508,090,201,038,825,664
  5. Step 5: Solve for x
    x = 508,090,201,038,825,664/823,443,646.09
  6. Step 6: Final answer
    x = 617,030,932.78

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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.