Home / 739,438,418.30-1,020,456,903.58-409,413,586.46

Finding the Fourth Proportional to 739,438,418.30, 1,020,456,903.58 and 409,413,586.46

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Solution

The fourth proportional to 739,438,418.30, 1,020,456,903.58 and 409,413,586.46 is: 565,008,404.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    739,438,418.30 : 1,020,456,903.58 = 409,413,586.46 : x
  2. Step 2: Convert to fraction form
    739,438,418.30/1,020,456,903.58 = 409,413,586.46/x
  3. Step 3: Cross multiply
    739,438,418.30x = 1,020,456,903.58 × 409,413,586.46
  4. Step 4: Simplify right side
    739,438,418.30x = 417,788,920,722,554,240
  5. Step 5: Solve for x
    x = 417,788,920,722,554,240/739,438,418.30
  6. Step 6: Final answer
    x = 565,008,404.19

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1.5x scale

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.