Home / 492,816,091.80-739,176,096.60-129,310,447.80

Finding the Fourth Proportional to 492,816,091.80, 739,176,096.60 and 129,310,447.80

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Solution

The fourth proportional to 492,816,091.80, 739,176,096.60 and 129,310,447.80 is: 193,953,066.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,816,091.80 : 739,176,096.60 = 129,310,447.80 : x
  2. Step 2: Convert to fraction form
    492,816,091.80/739,176,096.60 = 129,310,447.80/x
  3. Step 3: Cross multiply
    492,816,091.80x = 739,176,096.60 × 129,310,447.80
  4. Step 4: Simplify right side
    492,816,091.80x = 95,583,192,054,402,064
  5. Step 5: Solve for x
    x = 95,583,192,054,402,064/492,816,091.80
  6. Step 6: Final answer
    x = 193,953,066.15

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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.