Home / 323,528,641,292.70-485,292,961,939.05-135,009,831,345.30

Finding the Fourth Proportional to 323,528,641,292.70, 485,292,961,939.05 and 135,009,831,345.30

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Solution

The fourth proportional to 323,528,641,292.70, 485,292,961,939.05 and 135,009,831,345.30 is: 202,514,747,017.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,528,641,292.70 : 485,292,961,939.05 = 135,009,831,345.30 : x
  2. Step 2: Convert to fraction form
    323,528,641,292.70/485,292,961,939.05 = 135,009,831,345.30/x
  3. Step 3: Cross multiply
    323,528,641,292.70x = 485,292,961,939.05 × 135,009,831,345.30
  4. Step 4: Simplify right side
    323,528,641,292.70x = 65,519,320,944,452,235,689,984
  5. Step 5: Solve for x
    x = 65,519,320,944,452,235,689,984/323,528,641,292.70
  6. Step 6: Final answer
    x = 202,514,747,017.95

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.