Home / 6,129,805,483,754.50-8,455,145,729,558-3,931,488,708,809.40

Finding the Fourth Proportional to 6,129,805,483,754.50, 8,455,145,729,558 and 3,931,488,708,809.40

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Solution

The fourth proportional to 6,129,805,483,754.50, 8,455,145,729,558 and 3,931,488,708,809.40 is: 5,422,898,011,232.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,129,805,483,754.50 : 8,455,145,729,558 = 3,931,488,708,809.40 : x
  2. Step 2: Convert to fraction form
    6,129,805,483,754.50/8,455,145,729,558 = 3,931,488,708,809.40/x
  3. Step 3: Cross multiply
    6,129,805,483,754.50x = 8,455,145,729,558 × 3,931,488,708,809.40
  4. Step 4: Simplify right side
    6,129,805,483,754.50x = 33,241,309,967,095,293,326,393,344
  5. Step 5: Solve for x
    x = 33,241,309,967,095,293,326,393,344/6,129,805,483,754.50
  6. Step 6: Final answer
    x = 5,422,898,011,232.65

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Double scale
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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.