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Finding the Fourth Proportional to 703,197,599.58, 970,430,505.48 and 385,670,487.96

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Solution

The fourth proportional to 703,197,599.58, 970,430,505.48 and 385,670,487.96 is: 532,235,045.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    703,197,599.58 : 970,430,505.48 = 385,670,487.96 : x
  2. Step 2: Convert to fraction form
    703,197,599.58/970,430,505.48 = 385,670,487.96/x
  3. Step 3: Cross multiply
    703,197,599.58x = 970,430,505.48 × 385,670,487.96
  4. Step 4: Simplify right side
    703,197,599.58x = 374,266,406,579,741,056
  5. Step 5: Solve for x
    x = 374,266,406,579,741,056/703,197,599.58
  6. Step 6: Final answer
    x = 532,235,045.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.