Home / 1,022,998,411.75-1,411,735,152.90-570,871,638.53

Finding the Fourth Proportional to 1,022,998,411.75, 1,411,735,152.90 and 570,871,638.53

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Solution

The fourth proportional to 1,022,998,411.75, 1,411,735,152.90 and 570,871,638.53 is: 787,801,379.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,022,998,411.75 : 1,411,735,152.90 = 570,871,638.53 : x
  2. Step 2: Convert to fraction form
    1,022,998,411.75/1,411,735,152.90 = 570,871,638.53/x
  3. Step 3: Cross multiply
    1,022,998,411.75x = 1,411,735,152.90 × 570,871,638.53
  4. Step 4: Simplify right side
    1,022,998,411.75x = 805,919,559,906,423,040
  5. Step 5: Solve for x
    x = 805,919,559,906,423,040/1,022,998,411.75
  6. Step 6: Final answer
    x = 787,801,379.41

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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.