Home / 287,199,397,310.40-430,799,095,965.60-264,057,480,100.80

Finding the Fourth Proportional to 287,199,397,310.40, 430,799,095,965.60 and 264,057,480,100.80

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Solution

The fourth proportional to 287,199,397,310.40, 430,799,095,965.60 and 264,057,480,100.80 is: 396,086,220,151.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    287,199,397,310.40 : 430,799,095,965.60 = 264,057,480,100.80 : x
  2. Step 2: Convert to fraction form
    287,199,397,310.40/430,799,095,965.60 = 264,057,480,100.80/x
  3. Step 3: Cross multiply
    287,199,397,310.40x = 430,799,095,965.60 × 264,057,480,100.80
  4. Step 4: Simplify right side
    287,199,397,310.40x = 113,755,723,710,379,031,789,568
  5. Step 5: Solve for x
    x = 113,755,723,710,379,031,789,568/287,199,397,310.40
  6. Step 6: Final answer
    x = 396,086,220,151.20

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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.