Home / 614,175,933.60-921,263,900.40-407,551,672.80

Finding the Fourth Proportional to 614,175,933.60, 921,263,900.40 and 407,551,672.80

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Solution

The fourth proportional to 614,175,933.60, 921,263,900.40 and 407,551,672.80 is: 611,327,509.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    614,175,933.60 : 921,263,900.40 = 407,551,672.80 : x
  2. Step 2: Convert to fraction form
    614,175,933.60/921,263,900.40 = 407,551,672.80/x
  3. Step 3: Cross multiply
    614,175,933.60x = 921,263,900.40 × 407,551,672.80
  4. Step 4: Simplify right side
    614,175,933.60x = 375,462,643,698,272,576
  5. Step 5: Solve for x
    x = 375,462,643,698,272,576/614,175,933.60
  6. Step 6: Final answer
    x = 611,327,509.20

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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.