Home / 831,967,212.80-1,247,950,819.20-590,102,508.80

Finding the Fourth Proportional to 831,967,212.80, 1,247,950,819.20 and 590,102,508.80

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Solution

The fourth proportional to 831,967,212.80, 1,247,950,819.20 and 590,102,508.80 is: 885,153,763.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    831,967,212.80 : 1,247,950,819.20 = 590,102,508.80 : x
  2. Step 2: Convert to fraction form
    831,967,212.80/1,247,950,819.20 = 590,102,508.80/x
  3. Step 3: Cross multiply
    831,967,212.80x = 1,247,950,819.20 × 590,102,508.80
  4. Step 4: Simplify right side
    831,967,212.80x = 736,418,909,268,935,168
  5. Step 5: Solve for x
    x = 736,418,909,268,935,168/831,967,212.80
  6. Step 6: Final answer
    x = 885,153,763.20

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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.