Home / 331,938,672.80-497,908,009.20-299,060,189.60

Finding the Fourth Proportional to 331,938,672.80, 497,908,009.20 and 299,060,189.60

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Solution

The fourth proportional to 331,938,672.80, 497,908,009.20 and 299,060,189.60 is: 448,590,284.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,938,672.80 : 497,908,009.20 = 299,060,189.60 : x
  2. Step 2: Convert to fraction form
    331,938,672.80/497,908,009.20 = 299,060,189.60/x
  3. Step 3: Cross multiply
    331,938,672.80x = 497,908,009.20 × 299,060,189.60
  4. Step 4: Simplify right side
    331,938,672.80x = 148,904,463,634,710,560
  5. Step 5: Solve for x
    x = 148,904,463,634,710,560/331,938,672.80
  6. Step 6: Final answer
    x = 448,590,284.40

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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.