Home / 6,378,111,008.80-9,567,166,513.20-2,938,257,440.80

Finding the Fourth Proportional to 6,378,111,008.80, 9,567,166,513.20 and 2,938,257,440.80

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Solution

The fourth proportional to 6,378,111,008.80, 9,567,166,513.20 and 2,938,257,440.80 is: 4,407,386,161.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,378,111,008.80 : 9,567,166,513.20 = 2,938,257,440.80 : x
  2. Step 2: Convert to fraction form
    6,378,111,008.80/9,567,166,513.20 = 2,938,257,440.80/x
  3. Step 3: Cross multiply
    6,378,111,008.80x = 9,567,166,513.20 × 2,938,257,440.80
  4. Step 4: Simplify right side
    6,378,111,008.80x = 28,110,798,194,782,494,720
  5. Step 5: Solve for x
    x = 28,110,798,194,782,494,720/6,378,111,008.80
  6. Step 6: Final answer
    x = 4,407,386,161.20

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.