Home / 823,162,477.56-1,135,965,309.40-446,818,820.98

Finding the Fourth Proportional to 823,162,477.56, 1,135,965,309.40 and 446,818,820.98

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Solution

The fourth proportional to 823,162,477.56, 1,135,965,309.40 and 446,818,820.98 is: 616,610,564.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    823,162,477.56 : 1,135,965,309.40 = 446,818,820.98 : x
  2. Step 2: Convert to fraction form
    823,162,477.56/1,135,965,309.40 = 446,818,820.98/x
  3. Step 3: Cross multiply
    823,162,477.56x = 1,135,965,309.40 × 446,818,820.98
  4. Step 4: Simplify right side
    823,162,477.56x = 507,570,680,220,288,960
  5. Step 5: Solve for x
    x = 507,570,680,220,288,960/823,162,477.56
  6. Step 6: Final answer
    x = 616,610,564.81

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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.