Home / 489,904,090.60-734,005,830.30-317,292,053.80

Finding the Fourth Proportional to 489,904,090.60, 734,005,830.30 and 317,292,053.80

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Solution

The fourth proportional to 489,904,090.60, 734,005,830.30 and 317,292,053.80 is: 475,387,370.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,904,090.60 : 734,005,830.30 = 317,292,053.80 : x
  2. Step 2: Convert to fraction form
    489,904,090.60/734,005,830.30 = 317,292,053.80/x
  3. Step 3: Cross multiply
    489,904,090.60x = 734,005,830.30 × 317,292,053.80
  4. Step 4: Simplify right side
    489,904,090.60x = 232,894,217,397,061,248
  5. Step 5: Solve for x
    x = 232,894,217,397,061,248/489,904,090.60
  6. Step 6: Final answer
    x = 475,387,370.44

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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.