Home / 801,200,201.40-1,201,800,302.10-745,080,031.80

Finding the Fourth Proportional to 801,200,201.40, 1,201,800,302.10 and 745,080,031.80

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Solution

The fourth proportional to 801,200,201.40, 1,201,800,302.10 and 745,080,031.80 is: 1,117,620,047.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    801,200,201.40 : 1,201,800,302.10 = 745,080,031.80 : x
  2. Step 2: Convert to fraction form
    801,200,201.40/1,201,800,302.10 = 745,080,031.80/x
  3. Step 3: Cross multiply
    801,200,201.40x = 1,201,800,302.10 × 745,080,031.80
  4. Step 4: Simplify right side
    801,200,201.40x = 895,437,407,305,917,440
  5. Step 5: Solve for x
    x = 895,437,407,305,917,440/801,200,201.40
  6. Step 6: Final answer
    x = 1,117,620,047.70

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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.