Home / 12,811,283,609.74-19,219,823,097.26-6,915,716,303.38

Finding the Fourth Proportional to 12,811,283,609.74, 19,219,823,097.26 and 6,915,716,303.38

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Solution

The fourth proportional to 12,811,283,609.74, 19,219,823,097.26 and 6,915,716,303.38 is: 10,375,138,666.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,811,283,609.74 : 19,219,823,097.26 = 6,915,716,303.38 : x
  2. Step 2: Convert to fraction form
    12,811,283,609.74/19,219,823,097.26 = 6,915,716,303.38/x
  3. Step 3: Cross multiply
    12,811,283,609.74x = 19,219,823,097.26 × 6,915,716,303.38
  4. Step 4: Simplify right side
    12,811,283,609.74x = 132,918,843,941,800,460,288
  5. Step 5: Solve for x
    x = 132,918,843,941,800,460,288/12,811,283,609.74
  6. Step 6: Final answer
    x = 10,375,138,666.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.