Home / 1,007,889,835.40-1,511,834,753.10-835,702,951.40

Finding the Fourth Proportional to 1,007,889,835.40, 1,511,834,753.10 and 835,702,951.40

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Solution

The fourth proportional to 1,007,889,835.40, 1,511,834,753.10 and 835,702,951.40 is: 1,253,554,427.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,007,889,835.40 : 1,511,834,753.10 = 835,702,951.40 : x
  2. Step 2: Convert to fraction form
    1,007,889,835.40/1,511,834,753.10 = 835,702,951.40/x
  3. Step 3: Cross multiply
    1,007,889,835.40x = 1,511,834,753.10 × 835,702,951.40
  4. Step 4: Simplify right side
    1,007,889,835.40x = 1,263,444,765,194,760,192
  5. Step 5: Solve for x
    x = 1,263,444,765,194,760,192/1,007,889,835.40
  6. Step 6: Final answer
    x = 1,253,554,427.10

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Double scale
Find fourth proportional to 1,007,889,836.40, 1,511,834,754.60 and 835,702,952.40
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.