Home / 13,488,470,264.59-18,614,309,338.98-7,384,720,994.74

Finding the Fourth Proportional to 13,488,470,264.59, 18,614,309,338.98 and 7,384,720,994.74

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Solution

The fourth proportional to 13,488,470,264.59, 18,614,309,338.98 and 7,384,720,994.74 is: 10,191,035,623.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,488,470,264.59 : 18,614,309,338.98 = 7,384,720,994.74 : x
  2. Step 2: Convert to fraction form
    13,488,470,264.59/18,614,309,338.98 = 7,384,720,994.74/x
  3. Step 3: Cross multiply
    13,488,470,264.59x = 18,614,309,338.98 × 7,384,720,994.74
  4. Step 4: Simplify right side
    13,488,470,264.59x = 137,461,480,978,150,457,344
  5. Step 5: Solve for x
    x = 137,461,480,978,150,457,344/13,488,470,264.59
  6. Step 6: Final answer
    x = 10,191,035,623.89

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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.