Home / 456,093,350.40-684,140,025.60-398,697,722.40

Finding the Fourth Proportional to 456,093,350.40, 684,140,025.60 and 398,697,722.40

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Solution

The fourth proportional to 456,093,350.40, 684,140,025.60 and 398,697,722.40 is: 598,046,583.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,093,350.40 : 684,140,025.60 = 398,697,722.40 : x
  2. Step 2: Convert to fraction form
    456,093,350.40/684,140,025.60 = 398,697,722.40/x
  3. Step 3: Cross multiply
    456,093,350.40x = 684,140,025.60 × 398,697,722.40
  4. Step 4: Simplify right side
    456,093,350.40x = 272,765,070,009,397,696
  5. Step 5: Solve for x
    x = 272,765,070,009,397,696/456,093,350.40
  6. Step 6: Final answer
    x = 598,046,583.60

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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.