Home / 8,457,313,972.80-12,685,970,959.20-2,935,996,276.80

Finding the Fourth Proportional to 8,457,313,972.80, 12,685,970,959.20 and 2,935,996,276.80

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Solution

The fourth proportional to 8,457,313,972.80, 12,685,970,959.20 and 2,935,996,276.80 is: 4,403,994,415.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,457,313,972.80 : 12,685,970,959.20 = 2,935,996,276.80 : x
  2. Step 2: Convert to fraction form
    8,457,313,972.80/12,685,970,959.20 = 2,935,996,276.80/x
  3. Step 3: Cross multiply
    8,457,313,972.80x = 12,685,970,959.20 × 2,935,996,276.80
  4. Step 4: Simplify right side
    8,457,313,972.80x = 37,245,963,503,804,129,280
  5. Step 5: Solve for x
    x = 37,245,963,503,804,129,280/8,457,313,972.80
  6. Step 6: Final answer
    x = 4,403,994,415.20

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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.