Home / 699,459,405.60-1,049,860,954.80-354,802,202.40

Finding the Fourth Proportional to 699,459,405.60, 1,049,860,954.80 and 354,802,202.40

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Solution

The fourth proportional to 699,459,405.60, 1,049,860,954.80 and 354,802,202.40 is: 532,544,099.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    699,459,405.60 : 1,049,860,954.80 = 354,802,202.40 : x
  2. Step 2: Convert to fraction form
    699,459,405.60/1,049,860,954.80 = 354,802,202.40/x
  3. Step 3: Cross multiply
    699,459,405.60x = 1,049,860,954.80 × 354,802,202.40
  4. Step 4: Simplify right side
    699,459,405.60x = 372,492,978,976,806,784
  5. Step 5: Solve for x
    x = 372,492,978,976,806,784/699,459,405.60
  6. Step 6: Final answer
    x = 532,544,099.05

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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.