Home / 334,575,130.40-501,190,849.20-190,800,000.80

Finding the Fourth Proportional to 334,575,130.40, 501,190,849.20 and 190,800,000.80

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Solution

The fourth proportional to 334,575,130.40, 501,190,849.20 and 190,800,000.80 is: 285,816,863.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    334,575,130.40 : 501,190,849.20 = 190,800,000.80 : x
  2. Step 2: Convert to fraction form
    334,575,130.40/501,190,849.20 = 190,800,000.80/x
  3. Step 3: Cross multiply
    334,575,130.40x = 501,190,849.20 × 190,800,000.80
  4. Step 4: Simplify right side
    334,575,130.40x = 95,627,214,428,312,688
  5. Step 5: Solve for x
    x = 95,627,214,428,312,688/334,575,130.40
  6. Step 6: Final answer
    x = 285,816,863.66

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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.