Home / 13,258,502,426.34-18,294,002,031.74-7,618,628,657.52

Finding the Fourth Proportional to 13,258,502,426.34, 18,294,002,031.74 and 7,618,628,657.52

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Solution

The fourth proportional to 13,258,502,426.34, 18,294,002,031.74 and 7,618,628,657.52 is: 10,512,138,072.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,258,502,426.34 : 18,294,002,031.74 = 7,618,628,657.52 : x
  2. Step 2: Convert to fraction form
    13,258,502,426.34/18,294,002,031.74 = 7,618,628,657.52/x
  3. Step 3: Cross multiply
    13,258,502,426.34x = 18,294,002,031.74 × 7,618,628,657.52
  4. Step 4: Simplify right side
    13,258,502,426.34x = 139,375,208,139,705,384,960
  5. Step 5: Solve for x
    x = 139,375,208,139,705,384,960/13,258,502,426.34
  6. Step 6: Final answer
    x = 10,512,138,072.46

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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.