Home / 13,436,937,078.30-20,155,405,617.45-4,709,652,342.30

Finding the Fourth Proportional to 13,436,937,078.30, 20,155,405,617.45 and 4,709,652,342.30

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Solution

The fourth proportional to 13,436,937,078.30, 20,155,405,617.45 and 4,709,652,342.30 is: 7,064,478,513.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,436,937,078.30 : 20,155,405,617.45 = 4,709,652,342.30 : x
  2. Step 2: Convert to fraction form
    13,436,937,078.30/20,155,405,617.45 = 4,709,652,342.30/x
  3. Step 3: Cross multiply
    13,436,937,078.30x = 20,155,405,617.45 × 4,709,652,342.30
  4. Step 4: Simplify right side
    13,436,937,078.30x = 94,924,953,276,229,976,064
  5. Step 5: Solve for x
    x = 94,924,953,276,229,976,064/13,436,937,078.30
  6. Step 6: Final answer
    x = 7,064,478,513.45

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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.