Home / 614,634,518.88-921,819,683.75-194,489,184.80

Finding the Fourth Proportional to 614,634,518.88, 921,819,683.75 and 194,489,184.80

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Solution

The fourth proportional to 614,634,518.88, 921,819,683.75 and 194,489,184.80 is: 291,691,978.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    614,634,518.88 : 921,819,683.75 = 194,489,184.80 : x
  2. Step 2: Convert to fraction form
    614,634,518.88/921,819,683.75 = 194,489,184.80/x
  3. Step 3: Cross multiply
    614,634,518.88x = 921,819,683.75 × 194,489,184.80
  4. Step 4: Simplify right side
    614,634,518.88x = 179,283,958,821,827,360
  5. Step 5: Solve for x
    x = 179,283,958,821,827,360/614,634,518.88
  6. Step 6: Final answer
    x = 291,691,978.43

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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.