Home / 13,704,599,147.04-18,918,543,730.62-8,631,418,852.86

Finding the Fourth Proportional to 13,704,599,147.04, 18,918,543,730.62 and 8,631,418,852.86

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Solution

The fourth proportional to 13,704,599,147.04, 18,918,543,730.62 and 8,631,418,852.86 is: 11,915,260,948.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,704,599,147.04 : 18,918,543,730.62 = 8,631,418,852.86 : x
  2. Step 2: Convert to fraction form
    13,704,599,147.04/18,918,543,730.62 = 8,631,418,852.86/x
  3. Step 3: Cross multiply
    13,704,599,147.04x = 18,918,543,730.62 × 8,631,418,852.86
  4. Step 4: Simplify right side
    13,704,599,147.04x = 163,293,875,025,129,832,448
  5. Step 5: Solve for x
    x = 163,293,875,025,129,832,448/13,704,599,147.04
  6. Step 6: Final answer
    x = 11,915,260,948.03

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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.