Home / 792,673,648.02-1,189,156,728.06-260,915,111.82

Finding the Fourth Proportional to 792,673,648.02, 1,189,156,728.06 and 260,915,111.82

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Solution

The fourth proportional to 792,673,648.02, 1,189,156,728.06 and 260,915,111.82 is: 391,420,809.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    792,673,648.02 : 1,189,156,728.06 = 260,915,111.82 : x
  2. Step 2: Convert to fraction form
    792,673,648.02/1,189,156,728.06 = 260,915,111.82/x
  3. Step 3: Cross multiply
    792,673,648.02x = 1,189,156,728.06 × 260,915,111.82
  4. Step 4: Simplify right side
    792,673,648.02x = 310,268,960,673,280,192
  5. Step 5: Solve for x
    x = 310,268,960,673,280,192/792,673,648.02
  6. Step 6: Final answer
    x = 391,420,809.12

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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.