Home / 1,404,226,638.28-1,937,839,234.32-777,681,931.24

Finding the Fourth Proportional to 1,404,226,638.28, 1,937,839,234.32 and 777,681,931.24

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Solution

The fourth proportional to 1,404,226,638.28, 1,937,839,234.32 and 777,681,931.24 is: 1,073,204,650.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,404,226,638.28 : 1,937,839,234.32 = 777,681,931.24 : x
  2. Step 2: Convert to fraction form
    1,404,226,638.28/1,937,839,234.32 = 777,681,931.24/x
  3. Step 3: Cross multiply
    1,404,226,638.28x = 1,937,839,234.32 × 777,681,931.24
  4. Step 4: Simplify right side
    1,404,226,638.28x = 1,507,022,558,178,620,416
  5. Step 5: Solve for x
    x = 1,507,022,558,178,620,416/1,404,226,638.28
  6. Step 6: Final answer
    x = 1,073,204,650.23

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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.