Home / 610,412,854,861.20-915,619,282,291.80-252,145,757,658.45

Finding the Fourth Proportional to 610,412,854,861.20, 915,619,282,291.80 and 252,145,757,658.45

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Solution

The fourth proportional to 610,412,854,861.20, 915,619,282,291.80 and 252,145,757,658.45 is: 378,218,636,487.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    610,412,854,861.20 : 915,619,282,291.80 = 252,145,757,658.45 : x
  2. Step 2: Convert to fraction form
    610,412,854,861.20/915,619,282,291.80 = 252,145,757,658.45/x
  3. Step 3: Cross multiply
    610,412,854,861.20x = 915,619,282,291.80 × 252,145,757,658.45
  4. Step 4: Simplify right side
    610,412,854,861.20x = 230,869,517,660,152,158,748,672
  5. Step 5: Solve for x
    x = 230,869,517,660,152,158,748,672/610,412,854,861.20
  6. Step 6: Final answer
    x = 378,218,636,487.68

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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.