Home / 456,093,360.40-684,140,040.60-398,697,732.40

Finding the Fourth Proportional to 456,093,360.40, 684,140,040.60 and 398,697,732.40

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Solution

The fourth proportional to 456,093,360.40, 684,140,040.60 and 398,697,732.40 is: 598,046,598.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,093,360.40 : 684,140,040.60 = 398,697,732.40 : x
  2. Step 2: Convert to fraction form
    456,093,360.40/684,140,040.60 = 398,697,732.40/x
  3. Step 3: Cross multiply
    456,093,360.40x = 684,140,040.60 × 398,697,732.40
  4. Step 4: Simplify right side
    456,093,360.40x = 272,765,082,831,263,936
  5. Step 5: Solve for x
    x = 272,765,082,831,263,936/456,093,360.40
  6. Step 6: Final answer
    x = 598,046,598.60

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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.