Home / 334,540,490.37-461,638,810.40-193,420,764.93

Finding the Fourth Proportional to 334,540,490.37, 461,638,810.40 and 193,420,764.93

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Solution

The fourth proportional to 334,540,490.37, 461,638,810.40 and 193,420,764.93 is: 266,905,006.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    334,540,490.37 : 461,638,810.40 = 193,420,764.93 : x
  2. Step 2: Convert to fraction form
    334,540,490.37/461,638,810.40 = 193,420,764.93/x
  3. Step 3: Cross multiply
    334,540,490.37x = 461,638,810.40 × 193,420,764.93
  4. Step 4: Simplify right side
    334,540,490.37x = 89,290,531,828,943,232
  5. Step 5: Solve for x
    x = 89,290,531,828,943,232/334,540,490.37
  6. Step 6: Final answer
    x = 266,905,006.72

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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.