Home / 823,443,646.59-1,136,371,977.18-447,116,095.89

Finding the Fourth Proportional to 823,443,646.59, 1,136,371,977.18 and 447,116,095.89

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Solution

The fourth proportional to 823,443,646.59, 1,136,371,977.18 and 447,116,095.89 is: 617,030,933.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    823,443,646.59 : 1,136,371,977.18 = 447,116,095.89 : x
  2. Step 2: Convert to fraction form
    823,443,646.59/1,136,371,977.18 = 447,116,095.89/x
  3. Step 3: Cross multiply
    823,443,646.59x = 1,136,371,977.18 × 447,116,095.89
  4. Step 4: Simplify right side
    823,443,646.59x = 508,090,201,915,521,792
  5. Step 5: Solve for x
    x = 508,090,201,915,521,792/823,443,646.59
  6. Step 6: Final answer
    x = 617,030,933.47

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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.