Home / 831,967,200.80-1,247,950,801.20-590,102,496.80

Finding the Fourth Proportional to 831,967,200.80, 1,247,950,801.20 and 590,102,496.80

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Solution

The fourth proportional to 831,967,200.80, 1,247,950,801.20 and 590,102,496.80 is: 885,153,745.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    831,967,200.80 : 1,247,950,801.20 = 590,102,496.80 : x
  2. Step 2: Convert to fraction form
    831,967,200.80/1,247,950,801.20 = 590,102,496.80/x
  3. Step 3: Cross multiply
    831,967,200.80x = 1,247,950,801.20 × 590,102,496.80
  4. Step 4: Simplify right side
    831,967,200.80x = 736,418,883,671,680,384
  5. Step 5: Solve for x
    x = 736,418,883,671,680,384/831,967,200.80
  6. Step 6: Final answer
    x = 885,153,745.20

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Half scale
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Double scale
Find fourth proportional to 831,967,201.80, 1,247,950,802.70 and 590,102,497.80
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.