Home / 13,299,960,489.35-18,353,933,617.51-7,507,483,142.20

Finding the Fourth Proportional to 13,299,960,489.35, 18,353,933,617.51 and 7,507,483,142.20

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Solution

The fourth proportional to 13,299,960,489.35, 18,353,933,617.51 and 7,507,483,142.20 is: 10,360,320,042.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,299,960,489.35 : 18,353,933,617.51 = 7,507,483,142.20 : x
  2. Step 2: Convert to fraction form
    13,299,960,489.35/18,353,933,617.51 = 7,507,483,142.20/x
  3. Step 3: Cross multiply
    13,299,960,489.35x = 18,353,933,617.51 × 7,507,483,142.20
  4. Step 4: Simplify right side
    13,299,960,489.35x = 137,791,847,226,430,783,488
  5. Step 5: Solve for x
    x = 137,791,847,226,430,783,488/13,299,960,489.35
  6. Step 6: Final answer
    x = 10,360,320,042.82

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1.5x scale

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.