Home / 789,941,945.34-1,090,852,652.43-591,358,680.90

Finding the Fourth Proportional to 789,941,945.34, 1,090,852,652.43 and 591,358,680.90

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Solution

The fourth proportional to 789,941,945.34, 1,090,852,652.43 and 591,358,680.90 is: 816,623,537.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    789,941,945.34 : 1,090,852,652.43 = 591,358,680.90 : x
  2. Step 2: Convert to fraction form
    789,941,945.34/1,090,852,652.43 = 591,358,680.90/x
  3. Step 3: Cross multiply
    789,941,945.34x = 1,090,852,652.43 × 591,358,680.90
  4. Step 4: Simplify right side
    789,941,945.34x = 645,085,185,597,271,040
  5. Step 5: Solve for x
    x = 645,085,185,597,271,040/789,941,945.34
  6. Step 6: Final answer
    x = 816,623,537.21

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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.