Home / 504,089,742.40-756,134,613.60-443,623,566.40

Finding the Fourth Proportional to 504,089,742.40, 756,134,613.60 and 443,623,566.40

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Solution

The fourth proportional to 504,089,742.40, 756,134,613.60 and 443,623,566.40 is: 665,435,349.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,089,742.40 : 756,134,613.60 = 443,623,566.40 : x
  2. Step 2: Convert to fraction form
    504,089,742.40/756,134,613.60 = 443,623,566.40/x
  3. Step 3: Cross multiply
    504,089,742.40x = 756,134,613.60 × 443,623,566.40
  4. Step 4: Simplify right side
    504,089,742.40x = 335,439,133,963,717,952
  5. Step 5: Solve for x
    x = 335,439,133,963,717,952/504,089,742.40
  6. Step 6: Final answer
    x = 665,435,349.60

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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.