Home / 1,009,819,054,369.90-1,393,551,638,905.40-546,846,892,005.54

Finding the Fourth Proportional to 1,009,819,054,369.90, 1,393,551,638,905.40 and 546,846,892,005.54

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Solution

The fourth proportional to 1,009,819,054,369.90, 1,393,551,638,905.40 and 546,846,892,005.54 is: 754,649,438,715.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,009,819,054,369.90 : 1,393,551,638,905.40 = 546,846,892,005.54 : x
  2. Step 2: Convert to fraction form
    1,009,819,054,369.90/1,393,551,638,905.40 = 546,846,892,005.54/x
  3. Step 3: Cross multiply
    1,009,819,054,369.90x = 1,393,551,638,905.40 × 546,846,892,005.54
  4. Step 4: Simplify right side
    1,009,819,054,369.90x = 762,059,382,584,644,428,890,112
  5. Step 5: Solve for x
    x = 762,059,382,584,644,428,890,112/1,009,819,054,369.90
  6. Step 6: Final answer
    x = 754,649,438,715.68

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.