Home / 1,008,002,884.70-1,510,809,933.45-425,736,004.70

Finding the Fourth Proportional to 1,008,002,884.70, 1,510,809,933.45 and 425,736,004.70

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Solution

The fourth proportional to 1,008,002,884.70, 1,510,809,933.45 and 425,736,004.70 is: 638,099,547.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,008,002,884.70 : 1,510,809,933.45 = 425,736,004.70 : x
  2. Step 2: Convert to fraction form
    1,008,002,884.70/1,510,809,933.45 = 425,736,004.70/x
  3. Step 3: Cross multiply
    1,008,002,884.70x = 1,510,809,933.45 × 425,736,004.70
  4. Step 4: Simplify right side
    1,008,002,884.70x = 643,206,184,928,075,904
  5. Step 5: Solve for x
    x = 643,206,184,928,075,904/1,008,002,884.70
  6. Step 6: Final answer
    x = 638,099,547.82

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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.