Home / 472,404,933.60-708,607,400.40-149,288,805.60

Finding the Fourth Proportional to 472,404,933.60, 708,607,400.40 and 149,288,805.60

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Solution

The fourth proportional to 472,404,933.60, 708,607,400.40 and 149,288,805.60 is: 223,933,208.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,404,933.60 : 708,607,400.40 = 149,288,805.60 : x
  2. Step 2: Convert to fraction form
    472,404,933.60/708,607,400.40 = 149,288,805.60/x
  3. Step 3: Cross multiply
    472,404,933.60x = 708,607,400.40 × 149,288,805.60
  4. Step 4: Simplify right side
    472,404,933.60x = 105,787,152,445,036,960
  5. Step 5: Solve for x
    x = 105,787,152,445,036,960/472,404,933.60
  6. Step 6: Final answer
    x = 223,933,208.40

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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.