Home / 287,199,397,316.40-430,799,095,974.60-264,057,480,106.80

Finding the Fourth Proportional to 287,199,397,316.40, 430,799,095,974.60 and 264,057,480,106.80

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Solution

The fourth proportional to 287,199,397,316.40, 430,799,095,974.60 and 264,057,480,106.80 is: 396,086,220,160.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    287,199,397,316.40 : 430,799,095,974.60 = 264,057,480,106.80 : x
  2. Step 2: Convert to fraction form
    287,199,397,316.40/430,799,095,974.60 = 264,057,480,106.80/x
  3. Step 3: Cross multiply
    287,199,397,316.40x = 430,799,095,974.60 × 264,057,480,106.80
  4. Step 4: Simplify right side
    287,199,397,316.40x = 113,755,723,715,340,356,550,656
  5. Step 5: Solve for x
    x = 113,755,723,715,340,356,550,656/287,199,397,316.40
  6. Step 6: Final answer
    x = 396,086,220,160.20

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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.