Home / 2,561,143,189.77-3,534,417,727.43-1,503,894,538.89

Finding the Fourth Proportional to 2,561,143,189.77, 3,534,417,727.43 and 1,503,894,538.89

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Solution

The fourth proportional to 2,561,143,189.77, 3,534,417,727.43 and 1,503,894,538.89 is: 2,075,398,025.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,561,143,189.77 : 3,534,417,727.43 = 1,503,894,538.89 : x
  2. Step 2: Convert to fraction form
    2,561,143,189.77/3,534,417,727.43 = 1,503,894,538.89/x
  3. Step 3: Cross multiply
    2,561,143,189.77x = 3,534,417,727.43 × 1,503,894,538.89
  4. Step 4: Simplify right side
    2,561,143,189.77x = 5,315,391,518,430,462,976
  5. Step 5: Solve for x
    x = 5,315,391,518,430,462,976/2,561,143,189.77
  6. Step 6: Final answer
    x = 2,075,398,025.25

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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.