Home / 958,202,463.60-1,437,303,695.40-412,943,997.60

Finding the Fourth Proportional to 958,202,463.60, 1,437,303,695.40 and 412,943,997.60

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Solution

The fourth proportional to 958,202,463.60, 1,437,303,695.40 and 412,943,997.60 is: 619,415,996.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    958,202,463.60 : 1,437,303,695.40 = 412,943,997.60 : x
  2. Step 2: Convert to fraction form
    958,202,463.60/1,437,303,695.40 = 412,943,997.60/x
  3. Step 3: Cross multiply
    958,202,463.60x = 1,437,303,695.40 × 412,943,997.60
  4. Step 4: Simplify right side
    958,202,463.60x = 593,525,933,743,728,768
  5. Step 5: Solve for x
    x = 593,525,933,743,728,768/958,202,463.60
  6. Step 6: Final answer
    x = 619,415,996.40

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Double scale
Find fourth proportional to 958,202,464.60, 1,437,303,696.90 and 412,943,998.60
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.