Home / 299,547,205.60-449,320,808.40-245,127,647.20

Finding the Fourth Proportional to 299,547,205.60, 449,320,808.40 and 245,127,647.20

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Solution

The fourth proportional to 299,547,205.60, 449,320,808.40 and 245,127,647.20 is: 367,691,470.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,547,205.60 : 449,320,808.40 = 245,127,647.20 : x
  2. Step 2: Convert to fraction form
    299,547,205.60/449,320,808.40 = 245,127,647.20/x
  3. Step 3: Cross multiply
    299,547,205.60x = 449,320,808.40 × 245,127,647.20
  4. Step 4: Simplify right side
    299,547,205.60x = 110,140,952,601,093,984
  5. Step 5: Solve for x
    x = 110,140,952,601,093,984/299,547,205.60
  6. Step 6: Final answer
    x = 367,691,470.80

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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.