Home / 885,743,454,116.40-1,328,486,186,665.80-257,540,196,260.40

Finding the Fourth Proportional to 885,743,454,116.40, 1,328,486,186,665.80 and 257,540,196,260.40

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Solution

The fourth proportional to 885,743,454,116.40, 1,328,486,186,665.80 and 257,540,196,260.40 is: 386,272,787,739.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,743,454,116.40 : 1,328,486,186,665.80 = 257,540,196,260.40 : x
  2. Step 2: Convert to fraction form
    885,743,454,116.40/1,328,486,186,665.80 = 257,540,196,260.40/x
  3. Step 3: Cross multiply
    885,743,454,116.40x = 1,328,486,186,665.80 × 257,540,196,260.40
  4. Step 4: Simplify right side
    885,743,454,116.40x = 342,138,593,243,140,557,111,296
  5. Step 5: Solve for x
    x = 342,138,593,243,140,557,111,296/885,743,454,116.40
  6. Step 6: Final answer
    x = 386,272,787,739.03

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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.