Home / 472,393,305.60-708,589,958.40-357,602,049.60

Finding the Fourth Proportional to 472,393,305.60, 708,589,958.40 and 357,602,049.60

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Solution

The fourth proportional to 472,393,305.60, 708,589,958.40 and 357,602,049.60 is: 536,403,074.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,393,305.60 : 708,589,958.40 = 357,602,049.60 : x
  2. Step 2: Convert to fraction form
    472,393,305.60/708,589,958.40 = 357,602,049.60/x
  3. Step 3: Cross multiply
    472,393,305.60x = 708,589,958.40 × 357,602,049.60
  4. Step 4: Simplify right side
    472,393,305.60x = 253,393,221,449,818,752
  5. Step 5: Solve for x
    x = 253,393,221,449,818,752/472,393,305.60
  6. Step 6: Final answer
    x = 536,403,074.40

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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.