Home / 651,938,609.20-977,571,990.60-242,784,151.60

Finding the Fourth Proportional to 651,938,609.20, 977,571,990.60 and 242,784,151.60

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Solution

The fourth proportional to 651,938,609.20, 977,571,990.60 and 242,784,151.60 is: 364,051,128.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,938,609.20 : 977,571,990.60 = 242,784,151.60 : x
  2. Step 2: Convert to fraction form
    651,938,609.20/977,571,990.60 = 242,784,151.60/x
  3. Step 3: Cross multiply
    651,938,609.20x = 977,571,990.60 × 242,784,151.60
  4. Step 4: Simplify right side
    651,938,609.20x = 237,338,986,365,744,160
  5. Step 5: Solve for x
    x = 237,338,986,365,744,160/651,938,609.20
  6. Step 6: Final answer
    x = 364,051,128.46

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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.