Home / 624,037,513.38-861,198,838.73-345,579,036.94

Finding the Fourth Proportional to 624,037,513.38, 861,198,838.73 and 345,579,036.94

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Solution

The fourth proportional to 624,037,513.38, 861,198,838.73 and 345,579,036.94 is: 476,914,061.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,037,513.38 : 861,198,838.73 = 345,579,036.94 : x
  2. Step 2: Convert to fraction form
    624,037,513.38/861,198,838.73 = 345,579,036.94/x
  3. Step 3: Cross multiply
    624,037,513.38x = 861,198,838.73 × 345,579,036.94
  4. Step 4: Simplify right side
    624,037,513.38x = 297,612,265,302,159,808
  5. Step 5: Solve for x
    x = 297,612,265,302,159,808/624,037,513.38
  6. Step 6: Final answer
    x = 476,914,061.93

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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.