Home / 14,615,987,948.14-20,170,078,296.09-7,932,985,890.70

Finding the Fourth Proportional to 14,615,987,948.14, 20,170,078,296.09 and 7,932,985,890.70

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Solution

The fourth proportional to 14,615,987,948.14, 20,170,078,296.09 and 7,932,985,890.70 is: 10,947,528,631.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,615,987,948.14 : 20,170,078,296.09 = 7,932,985,890.70 : x
  2. Step 2: Convert to fraction form
    14,615,987,948.14/20,170,078,296.09 = 7,932,985,890.70/x
  3. Step 3: Cross multiply
    14,615,987,948.14x = 20,170,078,296.09 × 7,932,985,890.70
  4. Step 4: Simplify right side
    14,615,987,948.14x = 160,008,946,537,196,257,280
  5. Step 5: Solve for x
    x = 160,008,946,537,196,257,280/14,615,987,948.14
  6. Step 6: Final answer
    x = 10,947,528,631.31

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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.