Home / 970,137,849.60-1,455,419,350.80-314,977,384.80

Finding the Fourth Proportional to 970,137,849.60, 1,455,419,350.80 and 314,977,384.80

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Solution

The fourth proportional to 970,137,849.60, 1,455,419,350.80 and 314,977,384.80 is: 472,535,094.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    970,137,849.60 : 1,455,419,350.80 = 314,977,384.80 : x
  2. Step 2: Convert to fraction form
    970,137,849.60/1,455,419,350.80 = 314,977,384.80/x
  3. Step 3: Cross multiply
    970,137,849.60x = 1,455,419,350.80 × 314,977,384.80
  4. Step 4: Simplify right side
    970,137,849.60x = 458,424,180,902,297,792
  5. Step 5: Solve for x
    x = 458,424,180,902,297,792/970,137,849.60
  6. Step 6: Final answer
    x = 472,535,094.98

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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.