Home / 262,656,068.40-393,984,102.60-259,072,887.60

Finding the Fourth Proportional to 262,656,068.40, 393,984,102.60 and 259,072,887.60

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Solution

The fourth proportional to 262,656,068.40, 393,984,102.60 and 259,072,887.60 is: 388,609,331.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,656,068.40 : 393,984,102.60 = 259,072,887.60 : x
  2. Step 2: Convert to fraction form
    262,656,068.40/393,984,102.60 = 259,072,887.60/x
  3. Step 3: Cross multiply
    262,656,068.40x = 393,984,102.60 × 259,072,887.60
  4. Step 4: Simplify right side
    262,656,068.40x = 102,070,599,129,076,672
  5. Step 5: Solve for x
    x = 102,070,599,129,076,672/262,656,068.40
  6. Step 6: Final answer
    x = 388,609,331.40

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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.