Home / 403,072,027.20-604,696,514.40-198,698,011.20

Finding the Fourth Proportional to 403,072,027.20, 604,696,514.40 and 198,698,011.20

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Solution

The fourth proportional to 403,072,027.20, 604,696,514.40 and 198,698,011.20 is: 298,090,630.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,072,027.20 : 604,696,514.40 = 198,698,011.20 : x
  2. Step 2: Convert to fraction form
    403,072,027.20/604,696,514.40 = 198,698,011.20/x
  3. Step 3: Cross multiply
    403,072,027.20x = 604,696,514.40 × 198,698,011.20
  4. Step 4: Simplify right side
    403,072,027.20x = 120,151,994,790,852,144
  5. Step 5: Solve for x
    x = 120,151,994,790,852,144/403,072,027.20
  6. Step 6: Final answer
    x = 298,090,630.66

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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.