Home / 1,243,948,278.58-1,866,184,475.61-403,525,399.92

Finding the Fourth Proportional to 1,243,948,278.58, 1,866,184,475.61 and 403,525,399.92

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Solution

The fourth proportional to 1,243,948,278.58, 1,866,184,475.61 and 403,525,399.92 is: 605,373,109.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,243,948,278.58 : 1,866,184,475.61 = 403,525,399.92 : x
  2. Step 2: Convert to fraction form
    1,243,948,278.58/1,866,184,475.61 = 403,525,399.92/x
  3. Step 3: Cross multiply
    1,243,948,278.58x = 1,866,184,475.61 × 403,525,399.92
  4. Step 4: Simplify right side
    1,243,948,278.58x = 753,052,836,845,020,672
  5. Step 5: Solve for x
    x = 753,052,836,845,020,672/1,243,948,278.58
  6. Step 6: Final answer
    x = 605,373,109.00

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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.