Home / 684,484,843.74-1,026,654,480.33-193,185,966.30

Finding the Fourth Proportional to 684,484,843.74, 1,026,654,480.33 and 193,185,966.30

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Solution

The fourth proportional to 684,484,843.74, 1,026,654,480.33 and 193,185,966.30 is: 289,758,406.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,484,843.74 : 1,026,654,480.33 = 193,185,966.30 : x
  2. Step 2: Convert to fraction form
    684,484,843.74/1,026,654,480.33 = 193,185,966.30/x
  3. Step 3: Cross multiply
    684,484,843.74x = 1,026,654,480.33 × 193,185,966.30
  4. Step 4: Simplify right side
    684,484,843.74x = 198,335,237,838,775,424
  5. Step 5: Solve for x
    x = 198,335,237,838,775,424/684,484,843.74
  6. Step 6: Final answer
    x = 289,758,406.86

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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.