Home / 644,739,673.64-967,015,032.05-317,127,248.60

Finding the Fourth Proportional to 644,739,673.64, 967,015,032.05 and 317,127,248.60

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Solution

The fourth proportional to 644,739,673.64, 967,015,032.05 and 317,127,248.60 is: 475,644,401.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    644,739,673.64 : 967,015,032.05 = 317,127,248.60 : x
  2. Step 2: Convert to fraction form
    644,739,673.64/967,015,032.05 = 317,127,248.60/x
  3. Step 3: Cross multiply
    644,739,673.64x = 967,015,032.05 × 317,127,248.60
  4. Step 4: Simplify right side
    644,739,673.64x = 306,666,816,464,815,104
  5. Step 5: Solve for x
    x = 306,666,816,464,815,104/644,739,673.64
  6. Step 6: Final answer
    x = 475,644,401.93

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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.