Home / 13,299,960,488.92-18,353,933,616.93-7,507,483,141.78

Finding the Fourth Proportional to 13,299,960,488.92, 18,353,933,616.93 and 7,507,483,141.78

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Solution

The fourth proportional to 13,299,960,488.92, 18,353,933,616.93 and 7,507,483,141.78 is: 10,360,320,042.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,299,960,488.92 : 18,353,933,616.93 = 7,507,483,141.78 : x
  2. Step 2: Convert to fraction form
    13,299,960,488.92/18,353,933,616.93 = 7,507,483,141.78/x
  3. Step 3: Cross multiply
    13,299,960,488.92x = 18,353,933,616.93 × 7,507,483,141.78
  4. Step 4: Simplify right side
    13,299,960,488.92x = 137,791,847,214,379,778,048
  5. Step 5: Solve for x
    x = 137,791,847,214,379,778,048/13,299,960,488.92
  6. Step 6: Final answer
    x = 10,360,320,042.24

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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.