Home / 876,589,072.04-1,209,712,496.58-500,238,165.64

Finding the Fourth Proportional to 876,589,072.04, 1,209,712,496.58 and 500,238,165.64

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Solution

The fourth proportional to 876,589,072.04, 1,209,712,496.58 and 500,238,165.64 is: 690,339,840.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,589,072.04 : 1,209,712,496.58 = 500,238,165.64 : x
  2. Step 2: Convert to fraction form
    876,589,072.04/1,209,712,496.58 = 500,238,165.64/x
  3. Step 3: Cross multiply
    876,589,072.04x = 1,209,712,496.58 × 500,238,165.64
  4. Step 4: Simplify right side
    876,589,072.04x = 605,144,360,240,963,968
  5. Step 5: Solve for x
    x = 605,144,360,240,963,968/876,589,072.04
  6. Step 6: Final answer
    x = 690,339,840.57

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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.