Home / 371,117,303.94-512,111,388.02-203,844,920.59

Finding the Fourth Proportional to 371,117,303.94, 512,111,388.02 and 203,844,920.59

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Solution

The fourth proportional to 371,117,303.94, 512,111,388.02 and 203,844,920.59 is: 281,289,242.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,117,303.94 : 512,111,388.02 = 203,844,920.59 : x
  2. Step 2: Convert to fraction form
    371,117,303.94/512,111,388.02 = 203,844,920.59/x
  3. Step 3: Cross multiply
    371,117,303.94x = 512,111,388.02 × 203,844,920.59
  4. Step 4: Simplify right side
    371,117,303.94x = 104,391,305,221,611,024
  5. Step 5: Solve for x
    x = 104,391,305,221,611,024/371,117,303.94
  6. Step 6: Final answer
    x = 281,289,242.28

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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.