Home / 8,074,411,207.20-12,111,616,810.80-7,893,012,679.20

Finding the Fourth Proportional to 8,074,411,207.20, 12,111,616,810.80 and 7,893,012,679.20

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Solution

The fourth proportional to 8,074,411,207.20, 12,111,616,810.80 and 7,893,012,679.20 is: 11,839,519,018.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,074,411,207.20 : 12,111,616,810.80 = 7,893,012,679.20 : x
  2. Step 2: Convert to fraction form
    8,074,411,207.20/12,111,616,810.80 = 7,893,012,679.20/x
  3. Step 3: Cross multiply
    8,074,411,207.20x = 12,111,616,810.80 × 7,893,012,679.20
  4. Step 4: Simplify right side
    8,074,411,207.20x = 95,597,145,053,256,253,440
  5. Step 5: Solve for x
    x = 95,597,145,053,256,253,440/8,074,411,207.20
  6. Step 6: Final answer
    x = 11,839,519,018.80

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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.