Home / 19,971,427,783.72-27,547,296,622.32-12,843,858,008.92

Finding the Fourth Proportional to 19,971,427,783.72, 27,547,296,622.32 and 12,843,858,008.92

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Solution

The fourth proportional to 19,971,427,783.72, 27,547,296,622.32 and 12,843,858,008.92 is: 17,715,987,568.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,971,427,783.72 : 27,547,296,622.32 = 12,843,858,008.92 : x
  2. Step 2: Convert to fraction form
    19,971,427,783.72/27,547,296,622.32 = 12,843,858,008.92/x
  3. Step 3: Cross multiply
    19,971,427,783.72x = 27,547,296,622.32 × 12,843,858,008.92
  4. Step 4: Simplify right side
    19,971,427,783.72x = 353,813,566,346,679,615,488
  5. Step 5: Solve for x
    x = 353,813,566,346,679,615,488/19,971,427,783.72
  6. Step 6: Final answer
    x = 17,715,987,568.76

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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.