Home / 455,939,492.58-629,505,363.15-288,824,053.82

Finding the Fourth Proportional to 455,939,492.58, 629,505,363.15 and 288,824,053.82

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Solution

The fourth proportional to 455,939,492.58, 629,505,363.15 and 288,824,053.82 is: 398,772,850.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,939,492.58 : 629,505,363.15 = 288,824,053.82 : x
  2. Step 2: Convert to fraction form
    455,939,492.58/629,505,363.15 = 288,824,053.82/x
  3. Step 3: Cross multiply
    455,939,492.58x = 629,505,363.15 × 288,824,053.82
  4. Step 4: Simplify right side
    455,939,492.58x = 181,816,290,883,266,720
  5. Step 5: Solve for x
    x = 181,816,290,883,266,720/455,939,492.58
  6. Step 6: Final answer
    x = 398,772,850.00

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.