Home / 542,302,618,201.54-748,384,466,852.72-298,460,153,274.82

Finding the Fourth Proportional to 542,302,618,201.54, 748,384,466,852.72 and 298,460,153,274.82

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Solution

The fourth proportional to 542,302,618,201.54, 748,384,466,852.72 and 298,460,153,274.82 is: 411,878,783,521.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    542,302,618,201.54 : 748,384,466,852.72 = 298,460,153,274.82 : x
  2. Step 2: Convert to fraction form
    542,302,618,201.54/748,384,466,852.72 = 298,460,153,274.82/x
  3. Step 3: Cross multiply
    542,302,618,201.54x = 748,384,466,852.72 × 298,460,153,274.82
  4. Step 4: Simplify right side
    542,302,618,201.54x = 223,362,942,685,357,239,435,264
  5. Step 5: Solve for x
    x = 223,362,942,685,357,239,435,264/542,302,618,201.54
  6. Step 6: Final answer
    x = 411,878,783,521.47

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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.