Home / 1,022,998,410.50-1,411,735,151.18-570,871,637.28

Finding the Fourth Proportional to 1,022,998,410.50, 1,411,735,151.18 and 570,871,637.28

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Solution

The fourth proportional to 1,022,998,410.50, 1,411,735,151.18 and 570,871,637.28 is: 787,801,377.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,022,998,410.50 : 1,411,735,151.18 = 570,871,637.28 : x
  2. Step 2: Convert to fraction form
    1,022,998,410.50/1,411,735,151.18 = 570,871,637.28/x
  3. Step 3: Cross multiply
    1,022,998,410.50x = 1,411,735,151.18 × 570,871,637.28
  4. Step 4: Simplify right side
    1,022,998,410.50x = 805,919,557,157,000,448
  5. Step 5: Solve for x
    x = 805,919,557,157,000,448/1,022,998,410.50
  6. Step 6: Final answer
    x = 787,801,377.68

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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.