Home / 614,157,021.70-921,235,532.55-199,633,041.70

Finding the Fourth Proportional to 614,157,021.70, 921,235,532.55 and 199,633,041.70

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Solution

The fourth proportional to 614,157,021.70, 921,235,532.55 and 199,633,041.70 is: 299,449,562.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    614,157,021.70 : 921,235,532.55 = 199,633,041.70 : x
  2. Step 2: Convert to fraction form
    614,157,021.70/921,235,532.55 = 199,633,041.70/x
  3. Step 3: Cross multiply
    614,157,021.70x = 921,235,532.55 × 199,633,041.70
  4. Step 4: Simplify right side
    614,157,021.70x = 183,909,051,485,075,840
  5. Step 5: Solve for x
    x = 183,909,051,485,075,840/614,157,021.70
  6. Step 6: Final answer
    x = 299,449,562.55

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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.