Home / 742,583,829.25-1,024,773,840.66-408,056,438.26

Finding the Fourth Proportional to 742,583,829.25, 1,024,773,840.66 and 408,056,438.26

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Solution

The fourth proportional to 742,583,829.25, 1,024,773,840.66 and 408,056,438.26 is: 563,122,366.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    742,583,829.25 : 1,024,773,840.66 = 408,056,438.26 : x
  2. Step 2: Convert to fraction form
    742,583,829.25/1,024,773,840.66 = 408,056,438.26/x
  3. Step 3: Cross multiply
    742,583,829.25x = 1,024,773,840.66 × 408,056,438.26
  4. Step 4: Simplify right side
    742,583,829.25x = 418,165,563,441,740,352
  5. Step 5: Solve for x
    x = 418,165,563,441,740,352/742,583,829.25
  6. Step 6: Final answer
    x = 563,122,366.76

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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.