Home / 703,883,925-1,056,009,892.68-408,495,085.38

Finding the Fourth Proportional to 703,883,925, 1,056,009,892.68 and 408,495,085.38

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Solution

The fourth proportional to 703,883,925, 1,056,009,892.68 and 408,495,085.38 is: 612,849,414.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    703,883,925 : 1,056,009,892.68 = 408,495,085.38 : x
  2. Step 2: Convert to fraction form
    703,883,925/1,056,009,892.68 = 408,495,085.38/x
  3. Step 3: Cross multiply
    703,883,925x = 1,056,009,892.68 × 408,495,085.38
  4. Step 4: Simplify right side
    703,883,925x = 431,374,851,272,441,216
  5. Step 5: Solve for x
    x = 431,374,851,272,441,216/703,883,925
  6. Step 6: Final answer
    x = 612,849,414.44

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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.