Home / 255,301,631,999.20-382,952,447,998.80-115,987,562,495.20

Finding the Fourth Proportional to 255,301,631,999.20, 382,952,447,998.80 and 115,987,562,495.20

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Solution

The fourth proportional to 255,301,631,999.20, 382,952,447,998.80 and 115,987,562,495.20 is: 173,981,343,742.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,301,631,999.20 : 382,952,447,998.80 = 115,987,562,495.20 : x
  2. Step 2: Convert to fraction form
    255,301,631,999.20/382,952,447,998.80 = 115,987,562,495.20/x
  3. Step 3: Cross multiply
    255,301,631,999.20x = 382,952,447,998.80 × 115,987,562,495.20
  4. Step 4: Simplify right side
    255,301,631,999.20x = 44,417,720,994,950,637,682,688
  5. Step 5: Solve for x
    x = 44,417,720,994,950,637,682,688/255,301,631,999.20
  6. Step 6: Final answer
    x = 173,981,343,742.80

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1.5x scale

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.