Home / 529,147,134.19-730,263,948.42-317,461,931.22

Finding the Fourth Proportional to 529,147,134.19, 730,263,948.42 and 317,461,931.22

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Solution

The fourth proportional to 529,147,134.19, 730,263,948.42 and 317,461,931.22 is: 438,122,004.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,147,134.19 : 730,263,948.42 = 317,461,931.22 : x
  2. Step 2: Convert to fraction form
    529,147,134.19/730,263,948.42 = 317,461,931.22/x
  3. Step 3: Cross multiply
    529,147,134.19x = 730,263,948.42 × 317,461,931.22
  4. Step 4: Simplify right side
    529,147,134.19x = 231,831,003,365,755,680
  5. Step 5: Solve for x
    x = 231,831,003,365,755,680/529,147,134.19
  6. Step 6: Final answer
    x = 438,122,004.99

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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.