Home / 1,007,889,848.40-1,511,834,772.60-835,702,964.40

Finding the Fourth Proportional to 1,007,889,848.40, 1,511,834,772.60 and 835,702,964.40

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Solution

The fourth proportional to 1,007,889,848.40, 1,511,834,772.60 and 835,702,964.40 is: 1,253,554,446.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,007,889,848.40 : 1,511,834,772.60 = 835,702,964.40 : x
  2. Step 2: Convert to fraction form
    1,007,889,848.40/1,511,834,772.60 = 835,702,964.40/x
  3. Step 3: Cross multiply
    1,007,889,848.40x = 1,511,834,772.60 × 835,702,964.40
  4. Step 4: Simplify right side
    1,007,889,848.40x = 1,263,444,801,144,819,712
  5. Step 5: Solve for x
    x = 1,263,444,801,144,819,712/1,007,889,848.40
  6. Step 6: Final answer
    x = 1,253,554,446.60

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Double scale
Find fourth proportional to 1,007,889,849.40, 1,511,834,774.10 and 835,702,965.40
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.