Home / 742,641,452.85-1,024,872,863.09-445,332,099.81

Finding the Fourth Proportional to 742,641,452.85, 1,024,872,863.09 and 445,332,099.81

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Solution

The fourth proportional to 742,641,452.85, 1,024,872,863.09 and 445,332,099.81 is: 614,574,883.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    742,641,452.85 : 1,024,872,863.09 = 445,332,099.81 : x
  2. Step 2: Convert to fraction form
    742,641,452.85/1,024,872,863.09 = 445,332,099.81/x
  3. Step 3: Cross multiply
    742,641,452.85x = 1,024,872,863.09 × 445,332,099.81
  4. Step 4: Simplify right side
    742,641,452.85x = 456,408,784,155,929,728
  5. Step 5: Solve for x
    x = 456,408,784,155,929,728/742,641,452.85
  6. Step 6: Final answer
    x = 614,574,883.22

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.