Home / 654,880,649,732.34-981,442,910,885.92-509,678,287,214.85

Finding the Fourth Proportional to 654,880,649,732.34, 981,442,910,885.92 and 509,678,287,214.85

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Solution

The fourth proportional to 654,880,649,732.34, 981,442,910,885.92 and 509,678,287,214.85 is: 763,834,054,379.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,880,649,732.34 : 981,442,910,885.92 = 509,678,287,214.85 : x
  2. Step 2: Convert to fraction form
    654,880,649,732.34/981,442,910,885.92 = 509,678,287,214.85/x
  3. Step 3: Cross multiply
    654,880,649,732.34x = 981,442,910,885.92 × 509,678,287,214.85
  4. Step 4: Simplify right side
    654,880,649,732.34x = 500,220,141,819,492,380,442,624
  5. Step 5: Solve for x
    x = 500,220,141,819,492,380,442,624/654,880,649,732.34
  6. Step 6: Final answer
    x = 763,834,054,379.13

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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.