Home / 864,088,010.73-1,295,607,156.21-338,827,843.40

Finding the Fourth Proportional to 864,088,010.73, 1,295,607,156.21 and 338,827,843.40

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Solution

The fourth proportional to 864,088,010.73, 1,295,607,156.21 and 338,827,843.40 is: 508,035,956.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    864,088,010.73 : 1,295,607,156.21 = 338,827,843.40 : x
  2. Step 2: Convert to fraction form
    864,088,010.73/1,295,607,156.21 = 338,827,843.40/x
  3. Step 3: Cross multiply
    864,088,010.73x = 1,295,607,156.21 × 338,827,843.40
  4. Step 4: Simplify right side
    864,088,010.73x = 438,987,778,625,763,200
  5. Step 5: Solve for x
    x = 438,987,778,625,763,200/864,088,010.73
  6. Step 6: Final answer
    x = 508,035,956.03

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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.