Home / 1,022,998,412.73-1,411,735,154.28-570,871,639.53

Finding the Fourth Proportional to 1,022,998,412.73, 1,411,735,154.28 and 570,871,639.53

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Solution

The fourth proportional to 1,022,998,412.73, 1,411,735,154.28 and 570,871,639.53 is: 787,801,380.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,022,998,412.73 : 1,411,735,154.28 = 570,871,639.53 : x
  2. Step 2: Convert to fraction form
    1,022,998,412.73/1,411,735,154.28 = 570,871,639.53/x
  3. Step 3: Cross multiply
    1,022,998,412.73x = 1,411,735,154.28 × 570,871,639.53
  4. Step 4: Simplify right side
    1,022,998,412.73x = 805,919,562,105,961,088
  5. Step 5: Solve for x
    x = 805,919,562,105,961,088/1,022,998,412.73
  6. Step 6: Final answer
    x = 787,801,380.80

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Double scale
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1.5x scale

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.