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Finding the Fourth Proportional to 511,994,233.54, 767,698,009.52 and 157,376,165.72

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Solution

The fourth proportional to 511,994,233.54, 767,698,009.52 and 157,376,165.72 is: 235,974,081.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    511,994,233.54 : 767,698,009.52 = 157,376,165.72 : x
  2. Step 2: Convert to fraction form
    511,994,233.54/767,698,009.52 = 157,376,165.72/x
  3. Step 3: Cross multiply
    511,994,233.54x = 767,698,009.52 × 157,376,165.72
  4. Step 4: Simplify right side
    511,994,233.54x = 120,817,369,169,133,648
  5. Step 5: Solve for x
    x = 120,817,369,169,133,648/511,994,233.54
  6. Step 6: Final answer
    x = 235,974,081.84

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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.