Home / 351,233,360-484,702,036.80-196,708,688

Finding the Fourth Proportional to 351,233,360, 484,702,036.80 and 196,708,688

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Solution

The fourth proportional to 351,233,360, 484,702,036.80 and 196,708,688 is: 271,457,989.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,233,360 : 484,702,036.80 = 196,708,688 : x
  2. Step 2: Convert to fraction form
    351,233,360/484,702,036.80 = 196,708,688/x
  3. Step 3: Cross multiply
    351,233,360x = 484,702,036.80 × 196,708,688
  4. Step 4: Simplify right side
    351,233,360x = 95,345,101,729,855,728
  5. Step 5: Solve for x
    x = 95,345,101,729,855,728/351,233,360
  6. Step 6: Final answer
    x = 271,457,989.44

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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.