Home / 785,839,262.03-1,179,576,482.16-578,811,438.23

Finding the Fourth Proportional to 785,839,262.03, 1,179,576,482.16 and 578,811,438.23

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Solution

The fourth proportional to 785,839,262.03, 1,179,576,482.16 and 578,811,438.23 is: 868,819,354.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    785,839,262.03 : 1,179,576,482.16 = 578,811,438.23 : x
  2. Step 2: Convert to fraction form
    785,839,262.03/1,179,576,482.16 = 578,811,438.23/x
  3. Step 3: Cross multiply
    785,839,262.03x = 1,179,576,482.16 × 578,811,438.23
  4. Step 4: Simplify right side
    785,839,262.03x = 682,752,360,133,505,536
  5. Step 5: Solve for x
    x = 682,752,360,133,505,536/785,839,262.03
  6. Step 6: Final answer
    x = 868,819,354.18

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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.