Home / 456,093,440.40-684,140,160.60-398,697,812.40

Finding the Fourth Proportional to 456,093,440.40, 684,140,160.60 and 398,697,812.40

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Solution

The fourth proportional to 456,093,440.40, 684,140,160.60 and 398,697,812.40 is: 598,046,718.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,093,440.40 : 684,140,160.60 = 398,697,812.40 : x
  2. Step 2: Convert to fraction form
    456,093,440.40/684,140,160.60 = 398,697,812.40/x
  3. Step 3: Cross multiply
    456,093,440.40x = 684,140,160.60 × 398,697,812.40
  4. Step 4: Simplify right side
    456,093,440.40x = 272,765,185,406,204,672
  5. Step 5: Solve for x
    x = 272,765,185,406,204,672/456,093,440.40
  6. Step 6: Final answer
    x = 598,046,718.60

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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.