Home / 489,916,097.60-734,023,840.80-317,304,060.80

Finding the Fourth Proportional to 489,916,097.60, 734,023,840.80 and 317,304,060.80

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Solution

The fourth proportional to 489,916,097.60, 734,023,840.80 and 317,304,060.80 is: 475,405,373.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,916,097.60 : 734,023,840.80 = 317,304,060.80 : x
  2. Step 2: Convert to fraction form
    489,916,097.60/734,023,840.80 = 317,304,060.80/x
  3. Step 3: Cross multiply
    489,916,097.60x = 734,023,840.80 × 317,304,060.80
  4. Step 4: Simplify right side
    489,916,097.60x = 232,908,745,409,852,704
  5. Step 5: Solve for x
    x = 232,908,745,409,852,704/489,916,097.60
  6. Step 6: Final answer
    x = 475,405,373.60

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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.