Home / 13,269,360,893.79-18,311,609,209.50-7,247,870,137.74

Finding the Fourth Proportional to 13,269,360,893.79, 18,311,609,209.50 and 7,247,870,137.74

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Solution

The fourth proportional to 13,269,360,893.79, 18,311,609,209.50 and 7,247,870,137.74 is: 10,002,001,349.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,269,360,893.79 : 18,311,609,209.50 = 7,247,870,137.74 : x
  2. Step 2: Convert to fraction form
    13,269,360,893.79/18,311,609,209.50 = 7,247,870,137.74/x
  3. Step 3: Cross multiply
    13,269,360,893.79x = 18,311,609,209.50 × 7,247,870,137.74
  4. Step 4: Simplify right side
    13,269,360,893.79x = 132,720,165,563,571,240,960
  5. Step 5: Solve for x
    x = 132,720,165,563,571,240,960/13,269,360,893.79
  6. Step 6: Final answer
    x = 10,002,001,349.26

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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.