Home / 589,367,088.70-882,350,021.85-521,342,640.70

Finding the Fourth Proportional to 589,367,088.70, 882,350,021.85 and 521,342,640.70

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Solution

The fourth proportional to 589,367,088.70, 882,350,021.85 and 521,342,640.70 is: 780,509,633.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    589,367,088.70 : 882,350,021.85 = 521,342,640.70 : x
  2. Step 2: Convert to fraction form
    589,367,088.70/882,350,021.85 = 521,342,640.70/x
  3. Step 3: Cross multiply
    589,367,088.70x = 882,350,021.85 × 521,342,640.70
  4. Step 4: Simplify right side
    589,367,088.70x = 460,006,690,412,981,696
  5. Step 5: Solve for x
    x = 460,006,690,412,981,696/589,367,088.70
  6. Step 6: Final answer
    x = 780,509,633.53

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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.