Home / 401,734,129.04-554,390,870.01-225,522,077.81

Finding the Fourth Proportional to 401,734,129.04, 554,390,870.01 and 225,522,077.81

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Solution

The fourth proportional to 401,734,129.04, 554,390,870.01 and 225,522,077.81 is: 311,219,216.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,734,129.04 : 554,390,870.01 = 225,522,077.81 : x
  2. Step 2: Convert to fraction form
    401,734,129.04/554,390,870.01 = 225,522,077.81/x
  3. Step 3: Cross multiply
    401,734,129.04x = 554,390,870.01 × 225,522,077.81
  4. Step 4: Simplify right side
    401,734,129.04x = 125,027,380,923,548,816
  5. Step 5: Solve for x
    x = 125,027,380,923,548,816/401,734,129.04
  6. Step 6: Final answer
    x = 311,219,216.61

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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.