Home / 405,680,527,495.83-608,638,566,353.42-163,532,672,168.43

Finding the Fourth Proportional to 405,680,527,495.83, 608,638,566,353.42 and 163,532,672,168.43

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Solution

The fourth proportional to 405,680,527,495.83, 608,638,566,353.42 and 163,532,672,168.43 is: 245,346,484,227.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    405,680,527,495.83 : 608,638,566,353.42 = 163,532,672,168.43 : x
  2. Step 2: Convert to fraction form
    405,680,527,495.83/608,638,566,353.42 = 163,532,672,168.43/x
  3. Step 3: Cross multiply
    405,680,527,495.83x = 608,638,566,353.42 × 163,532,672,168.43
  4. Step 4: Simplify right side
    405,680,527,495.83x = 99,532,291,140,537,062,260,736
  5. Step 5: Solve for x
    x = 99,532,291,140,537,062,260,736/405,680,527,495.83
  6. Step 6: Final answer
    x = 245,346,484,227.20

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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.