Home / 2,768,256,002.80-4,152,384,004.20-2,645,811,996.40

Finding the Fourth Proportional to 2,768,256,002.80, 4,152,384,004.20 and 2,645,811,996.40

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Solution

The fourth proportional to 2,768,256,002.80, 4,152,384,004.20 and 2,645,811,996.40 is: 3,968,717,994.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,768,256,002.80 : 4,152,384,004.20 = 2,645,811,996.40 : x
  2. Step 2: Convert to fraction form
    2,768,256,002.80/4,152,384,004.20 = 2,645,811,996.40/x
  3. Step 3: Cross multiply
    2,768,256,002.80x = 4,152,384,004.20 × 2,645,811,996.40
  4. Step 4: Simplify right side
    2,768,256,002.80x = 10,986,427,411,971,827,712
  5. Step 5: Solve for x
    x = 10,986,427,411,971,827,712/2,768,256,002.80
  6. Step 6: Final answer
    x = 3,968,717,994.60

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Double scale
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Similar ratio
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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.