Home / 939,697,375.60-1,409,546,063.40-746,205,612.40

Finding the Fourth Proportional to 939,697,375.60, 1,409,546,063.40 and 746,205,612.40

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Solution

The fourth proportional to 939,697,375.60, 1,409,546,063.40 and 746,205,612.40 is: 1,119,308,418.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    939,697,375.60 : 1,409,546,063.40 = 746,205,612.40 : x
  2. Step 2: Convert to fraction form
    939,697,375.60/1,409,546,063.40 = 746,205,612.40/x
  3. Step 3: Cross multiply
    939,697,375.60x = 1,409,546,063.40 × 746,205,612.40
  4. Step 4: Simplify right side
    939,697,375.60x = 1,051,811,183,445,406,208
  5. Step 5: Solve for x
    x = 1,051,811,183,445,406,208/939,697,375.60
  6. Step 6: Final answer
    x = 1,119,308,418.60

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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.