Home / 742,641,449.10-1,024,872,857.91-445,332,096.06

Finding the Fourth Proportional to 742,641,449.10, 1,024,872,857.91 and 445,332,096.06

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Solution

The fourth proportional to 742,641,449.10, 1,024,872,857.91 and 445,332,096.06 is: 614,574,878.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    742,641,449.10 : 1,024,872,857.91 = 445,332,096.06 : x
  2. Step 2: Convert to fraction form
    742,641,449.10/1,024,872,857.91 = 445,332,096.06/x
  3. Step 3: Cross multiply
    742,641,449.10x = 1,024,872,857.91 × 445,332,096.06
  4. Step 4: Simplify right side
    742,641,449.10x = 456,408,778,008,062,848
  5. Step 5: Solve for x
    x = 456,408,778,008,062,848/742,641,449.10
  6. Step 6: Final answer
    x = 614,574,878.04

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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.