Home / 472,405,009.60-708,607,514.40-149,288,881.60

Finding the Fourth Proportional to 472,405,009.60, 708,607,514.40 and 149,288,881.60

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Solution

The fourth proportional to 472,405,009.60, 708,607,514.40 and 149,288,881.60 is: 223,933,322.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,405,009.60 : 708,607,514.40 = 149,288,881.60 : x
  2. Step 2: Convert to fraction form
    472,405,009.60/708,607,514.40 = 149,288,881.60/x
  3. Step 3: Cross multiply
    472,405,009.60x = 708,607,514.40 × 149,288,881.60
  4. Step 4: Simplify right side
    472,405,009.60x = 105,787,223,318,131,888
  5. Step 5: Solve for x
    x = 105,787,223,318,131,888/472,405,009.60
  6. Step 6: Final answer
    x = 223,933,322.40

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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.