Home / 610,412,854,876.70-915,619,282,315.05-252,145,757,673.95

Finding the Fourth Proportional to 610,412,854,876.70, 915,619,282,315.05 and 252,145,757,673.95

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Solution

The fourth proportional to 610,412,854,876.70, 915,619,282,315.05 and 252,145,757,673.95 is: 378,218,636,510.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    610,412,854,876.70 : 915,619,282,315.05 = 252,145,757,673.95 : x
  2. Step 2: Convert to fraction form
    610,412,854,876.70/915,619,282,315.05 = 252,145,757,673.95/x
  3. Step 3: Cross multiply
    610,412,854,876.70x = 915,619,282,315.05 × 252,145,757,673.95
  4. Step 4: Simplify right side
    610,412,854,876.70x = 230,869,517,680,206,636,122,112
  5. Step 5: Solve for x
    x = 230,869,517,680,206,636,122,112/610,412,854,876.70
  6. Step 6: Final answer
    x = 378,218,636,510.93

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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.