Home / 9,578,129,290.43-13,215,901,406.79-5,348,390,371.43

Finding the Fourth Proportional to 9,578,129,290.43, 13,215,901,406.79 and 5,348,390,371.43

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Solution

The fourth proportional to 9,578,129,290.43, 13,215,901,406.79 and 5,348,390,371.43 is: 7,379,708,259.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,578,129,290.43 : 13,215,901,406.79 = 5,348,390,371.43 : x
  2. Step 2: Convert to fraction form
    9,578,129,290.43/13,215,901,406.79 = 5,348,390,371.43/x
  3. Step 3: Cross multiply
    9,578,129,290.43x = 13,215,901,406.79 × 5,348,390,371.43
  4. Step 4: Simplify right side
    9,578,129,290.43x = 70,683,799,833,843,834,880
  5. Step 5: Solve for x
    x = 70,683,799,833,843,834,880/9,578,129,290.43
  6. Step 6: Final answer
    x = 7,379,708,259.36

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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.