Home / 531,487,749.30-797,156,974.35-168,018,846.90

Finding the Fourth Proportional to 531,487,749.30, 797,156,974.35 and 168,018,846.90

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Solution

The fourth proportional to 531,487,749.30, 797,156,974.35 and 168,018,846.90 is: 252,004,671.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,487,749.30 : 797,156,974.35 = 168,018,846.90 : x
  2. Step 2: Convert to fraction form
    531,487,749.30/797,156,974.35 = 168,018,846.90/x
  3. Step 3: Cross multiply
    531,487,749.30x = 797,156,974.35 × 168,018,846.90
  4. Step 4: Simplify right side
    531,487,749.30x = 133,937,395,628,579,888
  5. Step 5: Solve for x
    x = 133,937,395,628,579,888/531,487,749.30
  6. Step 6: Final answer
    x = 252,004,671.42

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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.