Home / 468,020,131.20-702,030,196.80-331,971,235.20

Finding the Fourth Proportional to 468,020,131.20, 702,030,196.80 and 331,971,235.20

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Solution

The fourth proportional to 468,020,131.20, 702,030,196.80 and 331,971,235.20 is: 497,956,852.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,020,131.20 : 702,030,196.80 = 331,971,235.20 : x
  2. Step 2: Convert to fraction form
    468,020,131.20/702,030,196.80 = 331,971,235.20/x
  3. Step 3: Cross multiply
    468,020,131.20x = 702,030,196.80 × 331,971,235.20
  4. Step 4: Simplify right side
    468,020,131.20x = 233,053,831,579,395,072
  5. Step 5: Solve for x
    x = 233,053,831,579,395,072/468,020,131.20
  6. Step 6: Final answer
    x = 497,956,852.80

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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.