Home / 343,202,546.80-514,803,820.20-205,453,039.60

Finding the Fourth Proportional to 343,202,546.80, 514,803,820.20 and 205,453,039.60

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Solution

The fourth proportional to 343,202,546.80, 514,803,820.20 and 205,453,039.60 is: 308,179,559.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,202,546.80 : 514,803,820.20 = 205,453,039.60 : x
  2. Step 2: Convert to fraction form
    343,202,546.80/514,803,820.20 = 205,453,039.60/x
  3. Step 3: Cross multiply
    343,202,546.80x = 514,803,820.20 × 205,453,039.60
  4. Step 4: Simplify right side
    343,202,546.80x = 105,768,009,657,781,872
  5. Step 5: Solve for x
    x = 105,768,009,657,781,872/343,202,546.80
  6. Step 6: Final answer
    x = 308,179,559.40

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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.