Home / 1,123,909,617,460.80-1,682,960,982,500.10-775,683,680,491.45

Finding the Fourth Proportional to 1,123,909,617,460.80, 1,682,960,982,500.10 and 775,683,680,491.45

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Solution

The fourth proportional to 1,123,909,617,460.80, 1,682,960,982,500.10 and 775,683,680,491.45 is: 1,161,521,663,973.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,123,909,617,460.80 : 1,682,960,982,500.10 = 775,683,680,491.45 : x
  2. Step 2: Convert to fraction form
    1,123,909,617,460.80/1,682,960,982,500.10 = 775,683,680,491.45/x
  3. Step 3: Cross multiply
    1,123,909,617,460.80x = 1,682,960,982,500.10 × 775,683,680,491.45
  4. Step 4: Simplify right side
    1,123,909,617,460.80x = 1,305,445,369,029,184,427,393,024
  5. Step 5: Solve for x
    x = 1,305,445,369,029,184,427,393,024/1,123,909,617,460.80
  6. Step 6: Final answer
    x = 1,161,521,663,973.76

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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.