Home / 526,409,600.66-726,467,943.34-291,460,259.38

Finding the Fourth Proportional to 526,409,600.66, 726,467,943.34 and 291,460,259.38

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Solution

The fourth proportional to 526,409,600.66, 726,467,943.34 and 291,460,259.38 is: 402,227,723.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,409,600.66 : 726,467,943.34 = 291,460,259.38 : x
  2. Step 2: Convert to fraction form
    526,409,600.66/726,467,943.34 = 291,460,259.38/x
  3. Step 3: Cross multiply
    526,409,600.66x = 726,467,943.34 × 291,460,259.38
  4. Step 4: Simplify right side
    526,409,600.66x = 211,736,535,197,131,552
  5. Step 5: Solve for x
    x = 211,736,535,197,131,552/526,409,600.66
  6. Step 6: Final answer
    x = 402,227,723.30

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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.