Home / 647,732,136,596.05-893,898,446,655.75-358,700,395,984.58

Finding the Fourth Proportional to 647,732,136,596.05, 893,898,446,655.75 and 358,700,395,984.58

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Solution

The fourth proportional to 647,732,136,596.05, 893,898,446,655.75 and 358,700,395,984.58 is: 495,022,106,623.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    647,732,136,596.05 : 893,898,446,655.75 = 358,700,395,984.58 : x
  2. Step 2: Convert to fraction form
    647,732,136,596.05/893,898,446,655.75 = 358,700,395,984.58/x
  3. Step 3: Cross multiply
    647,732,136,596.05x = 893,898,446,655.75 × 358,700,395,984.58
  4. Step 4: Simplify right side
    647,732,136,596.05x = 320,641,726,785,418,516,496,384
  5. Step 5: Solve for x
    x = 320,641,726,785,418,516,496,384/647,732,136,596.05
  6. Step 6: Final answer
    x = 495,022,106,623.35

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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.