Home / 435,021,421.60-652,532,132.40-263,028,743.20

Finding the Fourth Proportional to 435,021,421.60, 652,532,132.40 and 263,028,743.20

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Solution

The fourth proportional to 435,021,421.60, 652,532,132.40 and 263,028,743.20 is: 394,543,114.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,021,421.60 : 652,532,132.40 = 263,028,743.20 : x
  2. Step 2: Convert to fraction form
    435,021,421.60/652,532,132.40 = 263,028,743.20/x
  3. Step 3: Cross multiply
    435,021,421.60x = 652,532,132.40 × 263,028,743.20
  4. Step 4: Simplify right side
    435,021,421.60x = 171,634,706,682,788,000
  5. Step 5: Solve for x
    x = 171,634,706,682,788,000/435,021,421.60
  6. Step 6: Final answer
    x = 394,543,114.80

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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.