Home / 697,593,325.20-1,046,389,987.80-348,914,885.10

Finding the Fourth Proportional to 697,593,325.20, 1,046,389,987.80 and 348,914,885.10

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Solution

The fourth proportional to 697,593,325.20, 1,046,389,987.80 and 348,914,885.10 is: 523,372,327.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    697,593,325.20 : 1,046,389,987.80 = 348,914,885.10 : x
  2. Step 2: Convert to fraction form
    697,593,325.20/1,046,389,987.80 = 348,914,885.10/x
  3. Step 3: Cross multiply
    697,593,325.20x = 1,046,389,987.80 × 348,914,885.10
  4. Step 4: Simplify right side
    697,593,325.20x = 365,101,042,363,027,392
  5. Step 5: Solve for x
    x = 365,101,042,363,027,392/697,593,325.20
  6. Step 6: Final answer
    x = 523,372,327.65

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Half scale
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Double scale
Find fourth proportional to 697,593,326.20, 1,046,389,989.30 and 348,914,886.10
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.