Home / 614,634,569.87-921,819,760.81-194,489,236.04

Finding the Fourth Proportional to 614,634,569.87, 921,819,760.81 and 194,489,236.04

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Solution

The fourth proportional to 614,634,569.87, 921,819,760.81 and 194,489,236.04 is: 291,692,055.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    614,634,569.87 : 921,819,760.81 = 194,489,236.04 : x
  2. Step 2: Convert to fraction form
    614,634,569.87/921,819,760.81 = 194,489,236.04/x
  3. Step 3: Cross multiply
    614,634,569.87x = 921,819,760.81 × 194,489,236.04
  4. Step 4: Simplify right side
    614,634,569.87x = 179,284,021,041,417,120
  5. Step 5: Solve for x
    x = 179,284,021,041,417,120/614,634,569.87
  6. Step 6: Final answer
    x = 291,692,055.46

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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.