Home / 697,593,346.20-1,046,390,019.30-348,914,906.10

Finding the Fourth Proportional to 697,593,346.20, 1,046,390,019.30 and 348,914,906.10

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Solution

The fourth proportional to 697,593,346.20, 1,046,390,019.30 and 348,914,906.10 is: 523,372,359.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    697,593,346.20 : 1,046,390,019.30 = 348,914,906.10 : x
  2. Step 2: Convert to fraction form
    697,593,346.20/1,046,390,019.30 = 348,914,906.10/x
  3. Step 3: Cross multiply
    697,593,346.20x = 1,046,390,019.30 × 348,914,906.10
  4. Step 4: Simplify right side
    697,593,346.20x = 365,101,075,328,036,672
  5. Step 5: Solve for x
    x = 365,101,075,328,036,672/697,593,346.20
  6. Step 6: Final answer
    x = 523,372,359.15

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Double scale
Find fourth proportional to 697,593,347.20, 1,046,390,020.80 and 348,914,907.10
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.