Home / 1,277,735,904.95-1,916,412,041.12-404,223,773.36

Finding the Fourth Proportional to 1,277,735,904.95, 1,916,412,041.12 and 404,223,773.36

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Solution

The fourth proportional to 1,277,735,904.95, 1,916,412,041.12 and 404,223,773.36 is: 606,274,977.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,277,735,904.95 : 1,916,412,041.12 = 404,223,773.36 : x
  2. Step 2: Convert to fraction form
    1,277,735,904.95/1,916,412,041.12 = 404,223,773.36/x
  3. Step 3: Cross multiply
    1,277,735,904.95x = 1,916,412,041.12 × 404,223,773.36
  4. Step 4: Simplify right side
    1,277,735,904.95x = 774,659,306,562,462,720
  5. Step 5: Solve for x
    x = 774,659,306,562,462,720/1,277,735,904.95
  6. Step 6: Final answer
    x = 606,274,977.14

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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.