Home / 647,732,136,602.80-893,898,446,665.12-358,700,395,991.36

Finding the Fourth Proportional to 647,732,136,602.80, 893,898,446,665.12 and 358,700,395,991.36

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Solution

The fourth proportional to 647,732,136,602.80, 893,898,446,665.12 and 358,700,395,991.36 is: 495,022,106,632.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    647,732,136,602.80 : 893,898,446,665.12 = 358,700,395,991.36 : x
  2. Step 2: Convert to fraction form
    647,732,136,602.80/893,898,446,665.12 = 358,700,395,991.36/x
  3. Step 3: Cross multiply
    647,732,136,602.80x = 893,898,446,665.12 × 358,700,395,991.36
  4. Step 4: Simplify right side
    647,732,136,602.80x = 320,641,726,794,840,131,239,936
  5. Step 5: Solve for x
    x = 320,641,726,794,840,131,239,936/647,732,136,602.80
  6. Step 6: Final answer
    x = 495,022,106,632.73

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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.