Home / 850,917,798.90-1,276,508,666.79-359,633,136.96

Finding the Fourth Proportional to 850,917,798.90, 1,276,508,666.79 and 359,633,136.96

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Solution

The fourth proportional to 850,917,798.90, 1,276,508,666.79 and 359,633,136.96 is: 539,505,480.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    850,917,798.90 : 1,276,508,666.79 = 359,633,136.96 : x
  2. Step 2: Convert to fraction form
    850,917,798.90/1,276,508,666.79 = 359,633,136.96/x
  3. Step 3: Cross multiply
    850,917,798.90x = 1,276,508,666.79 × 359,633,136.96
  4. Step 4: Simplify right side
    850,917,798.90x = 459,074,816,194,315,008
  5. Step 5: Solve for x
    x = 459,074,816,194,315,008/850,917,798.90
  6. Step 6: Final answer
    x = 539,505,480.77

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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.