Home / 517,153,292.88-713,686,687.56-282,219,092.16

Finding the Fourth Proportional to 517,153,292.88, 713,686,687.56 and 282,219,092.16

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Solution

The fourth proportional to 517,153,292.88, 713,686,687.56 and 282,219,092.16 is: 389,470,611.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    517,153,292.88 : 713,686,687.56 = 282,219,092.16 : x
  2. Step 2: Convert to fraction form
    517,153,292.88/713,686,687.56 = 282,219,092.16/x
  3. Step 3: Cross multiply
    517,153,292.88x = 713,686,687.56 × 282,219,092.16
  4. Step 4: Simplify right side
    517,153,292.88x = 201,416,009,049,860,768
  5. Step 5: Solve for x
    x = 201,416,009,049,860,768/517,153,292.88
  6. Step 6: Final answer
    x = 389,470,611.18

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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.