Home / 874,320,776.76-1,206,563,847.66-503,035,361.40

Finding the Fourth Proportional to 874,320,776.76, 1,206,563,847.66 and 503,035,361.40

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Solution

The fourth proportional to 874,320,776.76, 1,206,563,847.66 and 503,035,361.40 is: 694,189,475.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    874,320,776.76 : 1,206,563,847.66 = 503,035,361.40 : x
  2. Step 2: Convert to fraction form
    874,320,776.76/1,206,563,847.66 = 503,035,361.40/x
  3. Step 3: Cross multiply
    874,320,776.76x = 1,206,563,847.66 × 503,035,361.40
  4. Step 4: Simplify right side
    874,320,776.76x = 606,944,281,159,822,720
  5. Step 5: Solve for x
    x = 606,944,281,159,822,720/874,320,776.76
  6. Step 6: Final answer
    x = 694,189,475.18

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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.