Home / 598,772,912.40-898,159,368.60-339,888,099.60

Finding the Fourth Proportional to 598,772,912.40, 898,159,368.60 and 339,888,099.60

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Solution

The fourth proportional to 598,772,912.40, 898,159,368.60 and 339,888,099.60 is: 509,832,149.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    598,772,912.40 : 898,159,368.60 = 339,888,099.60 : x
  2. Step 2: Convert to fraction form
    598,772,912.40/898,159,368.60 = 339,888,099.60/x
  3. Step 3: Cross multiply
    598,772,912.40x = 898,159,368.60 × 339,888,099.60
  4. Step 4: Simplify right side
    598,772,912.40x = 305,273,680,931,389,952
  5. Step 5: Solve for x
    x = 305,273,680,931,389,952/598,772,912.40
  6. Step 6: Final answer
    x = 509,832,149.40

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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.