Home / 685,256,851,063.83-945,677,133,240.66-376,619,149,904.94

Finding the Fourth Proportional to 685,256,851,063.83, 945,677,133,240.66 and 376,619,149,904.94

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Solution

The fourth proportional to 685,256,851,063.83, 945,677,133,240.66 and 376,619,149,904.94 is: 519,746,891,187.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    685,256,851,063.83 : 945,677,133,240.66 = 376,619,149,904.94 : x
  2. Step 2: Convert to fraction form
    685,256,851,063.83/945,677,133,240.66 = 376,619,149,904.94/x
  3. Step 3: Cross multiply
    685,256,851,063.83x = 945,677,133,240.66 × 376,619,149,904.94
  4. Step 4: Simplify right side
    685,256,851,063.83x = 356,160,118,005,638,075,777,024
  5. Step 5: Solve for x
    x = 356,160,118,005,638,075,777,024/685,256,851,063.83
  6. Step 6: Final answer
    x = 519,746,891,187.90

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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.