Home / 6,478,532,871.49-8,940,383,984.69-3,508,314,244.93

Finding the Fourth Proportional to 6,478,532,871.49, 8,940,383,984.69 and 3,508,314,244.93

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Solution

The fourth proportional to 6,478,532,871.49, 8,940,383,984.69 and 3,508,314,244.93 is: 4,841,478,327.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,478,532,871.49 : 8,940,383,984.69 = 3,508,314,244.93 : x
  2. Step 2: Convert to fraction form
    6,478,532,871.49/8,940,383,984.69 = 3,508,314,244.93/x
  3. Step 3: Cross multiply
    6,478,532,871.49x = 8,940,383,984.69 × 3,508,314,244.93
  4. Step 4: Simplify right side
    6,478,532,871.49x = 31,365,676,488,631,963,648
  5. Step 5: Solve for x
    x = 31,365,676,488,631,963,648/6,478,532,871.49
  6. Step 6: Final answer
    x = 4,841,478,327.09

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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.