Home / 487,640,202,307.02-672,791,659,680.81-281,799,451,524.06

Finding the Fourth Proportional to 487,640,202,307.02, 672,791,659,680.81 and 281,799,451,524.06

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Solution

The fourth proportional to 487,640,202,307.02, 672,791,659,680.81 and 281,799,451,524.06 is: 388,795,509,047.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    487,640,202,307.02 : 672,791,659,680.81 = 281,799,451,524.06 : x
  2. Step 2: Convert to fraction form
    487,640,202,307.02/672,791,659,680.81 = 281,799,451,524.06/x
  3. Step 3: Cross multiply
    487,640,202,307.02x = 672,791,659,680.81 × 281,799,451,524.06
  4. Step 4: Simplify right side
    487,640,202,307.02x = 189,592,320,688,014,309,195,776
  5. Step 5: Solve for x
    x = 189,592,320,688,014,309,195,776/487,640,202,307.02
  6. Step 6: Final answer
    x = 388,795,509,047.56

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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.