Home / 299,547,108.80-449,320,663.20-245,127,550.40

Finding the Fourth Proportional to 299,547,108.80, 449,320,663.20 and 245,127,550.40

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Solution

The fourth proportional to 299,547,108.80, 449,320,663.20 and 245,127,550.40 is: 367,691,325.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,547,108.80 : 449,320,663.20 = 245,127,550.40 : x
  2. Step 2: Convert to fraction form
    299,547,108.80/449,320,663.20 = 245,127,550.40/x
  3. Step 3: Cross multiply
    299,547,108.80x = 449,320,663.20 × 245,127,550.40
  4. Step 4: Simplify right side
    299,547,108.80x = 110,140,873,514,319,424
  5. Step 5: Solve for x
    x = 110,140,873,514,319,424/299,547,108.80
  6. Step 6: Final answer
    x = 367,691,325.60

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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.