Home / 13,260,854,031.04-18,299,885,468.59-7,239,359,434.38

Finding the Fourth Proportional to 13,260,854,031.04, 18,299,885,468.59 and 7,239,359,434.38

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Solution

The fourth proportional to 13,260,854,031.04, 18,299,885,468.59 and 7,239,359,434.38 is: 9,990,265,197.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,260,854,031.04 : 18,299,885,468.59 = 7,239,359,434.38 : x
  2. Step 2: Convert to fraction form
    13,260,854,031.04/18,299,885,468.59 = 7,239,359,434.38/x
  3. Step 3: Cross multiply
    13,260,854,031.04x = 18,299,885,468.59 × 7,239,359,434.38
  4. Step 4: Simplify right side
    13,260,854,031.04x = 132,479,448,515,110,486,016
  5. Step 5: Solve for x
    x = 132,479,448,515,110,486,016/13,260,854,031.04
  6. Step 6: Final answer
    x = 9,990,265,197.48

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Double scale
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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.