Home / 1,022,998,408.61-1,411,735,148.59-570,871,635.40

Finding the Fourth Proportional to 1,022,998,408.61, 1,411,735,148.59 and 570,871,635.40

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Solution

The fourth proportional to 1,022,998,408.61, 1,411,735,148.59 and 570,871,635.40 is: 787,801,375.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,022,998,408.61 : 1,411,735,148.59 = 570,871,635.40 : x
  2. Step 2: Convert to fraction form
    1,022,998,408.61/1,411,735,148.59 = 570,871,635.40/x
  3. Step 3: Cross multiply
    1,022,998,408.61x = 1,411,735,148.59 × 570,871,635.40
  4. Step 4: Simplify right side
    1,022,998,408.61x = 805,919,553,025,470,464
  5. Step 5: Solve for x
    x = 805,919,553,025,470,464/1,022,998,408.61
  6. Step 6: Final answer
    x = 787,801,375.09

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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.