Home / 1,013,871,204.61-1,399,123,743.80-561,747,522.87

Finding the Fourth Proportional to 1,013,871,204.61, 1,399,123,743.80 and 561,747,522.87

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Solution

The fourth proportional to 1,013,871,204.61, 1,399,123,743.80 and 561,747,522.87 is: 775,201,321.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,013,871,204.61 : 1,399,123,743.80 = 561,747,522.87 : x
  2. Step 2: Convert to fraction form
    1,013,871,204.61/1,399,123,743.80 = 561,747,522.87/x
  3. Step 3: Cross multiply
    1,013,871,204.61x = 1,399,123,743.80 × 561,747,522.87
  4. Step 4: Simplify right side
    1,013,871,204.61x = 785,954,297,265,441,792
  5. Step 5: Solve for x
    x = 785,954,297,265,441,792/1,013,871,204.61
  6. Step 6: Final answer
    x = 775,201,321.13

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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.