Home / 14,615,987,947.14-20,170,078,294.71-7,932,985,889.70

Finding the Fourth Proportional to 14,615,987,947.14, 20,170,078,294.71 and 7,932,985,889.70

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Solution

The fourth proportional to 14,615,987,947.14, 20,170,078,294.71 and 7,932,985,889.70 is: 10,947,528,629.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,615,987,947.14 : 20,170,078,294.71 = 7,932,985,889.70 : x
  2. Step 2: Convert to fraction form
    14,615,987,947.14/20,170,078,294.71 = 7,932,985,889.70/x
  3. Step 3: Cross multiply
    14,615,987,947.14x = 20,170,078,294.71 × 7,932,985,889.70
  4. Step 4: Simplify right side
    14,615,987,947.14x = 160,008,946,506,078,650,368
  5. Step 5: Solve for x
    x = 160,008,946,506,078,650,368/14,615,987,947.14
  6. Step 6: Final answer
    x = 10,947,528,629.93

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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.