Home / 413,634,100.56-620,383,966.20-195,284,020.56

Finding the Fourth Proportional to 413,634,100.56, 620,383,966.20 and 195,284,020.56

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Solution

The fourth proportional to 413,634,100.56, 620,383,966.20 and 195,284,020.56 is: 292,894,311.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    413,634,100.56 : 620,383,966.20 = 195,284,020.56 : x
  2. Step 2: Convert to fraction form
    413,634,100.56/620,383,966.20 = 195,284,020.56/x
  3. Step 3: Cross multiply
    413,634,100.56x = 620,383,966.20 × 195,284,020.56
  4. Step 4: Simplify right side
    413,634,100.56x = 121,151,075,210,495,152
  5. Step 5: Solve for x
    x = 121,151,075,210,495,152/413,634,100.56
  6. Step 6: Final answer
    x = 292,894,311.78

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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.