Home / 803,552,400.88-1,205,387,060.40-336,745,255.36

Finding the Fourth Proportional to 803,552,400.88, 1,205,387,060.40 and 336,745,255.36

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Solution

The fourth proportional to 803,552,400.88, 1,205,387,060.40 and 336,745,255.36 is: 505,142,381.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    803,552,400.88 : 1,205,387,060.40 = 336,745,255.36 : x
  2. Step 2: Convert to fraction form
    803,552,400.88/1,205,387,060.40 = 336,745,255.36/x
  3. Step 3: Cross multiply
    803,552,400.88x = 1,205,387,060.40 × 336,745,255.36
  4. Step 4: Simplify right side
    803,552,400.88x = 405,908,373,462,037,824
  5. Step 5: Solve for x
    x = 405,908,373,462,037,824/803,552,400.88
  6. Step 6: Final answer
    x = 505,142,381.53

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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.