Home / 644,977,728,016.40-967,466,592,024.60-314,751,785,488.40

Finding the Fourth Proportional to 644,977,728,016.40, 967,466,592,024.60 and 314,751,785,488.40

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Solution

The fourth proportional to 644,977,728,016.40, 967,466,592,024.60 and 314,751,785,488.40 is: 472,127,678,232.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    644,977,728,016.40 : 967,466,592,024.60 = 314,751,785,488.40 : x
  2. Step 2: Convert to fraction form
    644,977,728,016.40/967,466,592,024.60 = 314,751,785,488.40/x
  3. Step 3: Cross multiply
    644,977,728,016.40x = 967,466,592,024.60 × 314,751,785,488.40
  4. Step 4: Simplify right side
    644,977,728,016.40x = 304,511,837,240,120,286,642,176
  5. Step 5: Solve for x
    x = 304,511,837,240,120,286,642,176/644,977,728,016.40
  6. Step 6: Final answer
    x = 472,127,678,232.60

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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.