Home / 644,739,674.64-967,015,033.55-317,127,249.60

Finding the Fourth Proportional to 644,739,674.64, 967,015,033.55 and 317,127,249.60

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Solution

The fourth proportional to 644,739,674.64, 967,015,033.55 and 317,127,249.60 is: 475,644,403.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    644,739,674.64 : 967,015,033.55 = 317,127,249.60 : x
  2. Step 2: Convert to fraction form
    644,739,674.64/967,015,033.55 = 317,127,249.60/x
  3. Step 3: Cross multiply
    644,739,674.64x = 967,015,033.55 × 317,127,249.60
  4. Step 4: Simplify right side
    644,739,674.64x = 306,666,817,911,563,264
  5. Step 5: Solve for x
    x = 306,666,817,911,563,264/644,739,674.64
  6. Step 6: Final answer
    x = 475,644,403.43

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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.