Home / 398,544,052.40-597,816,078.60-237,300,916.40

Finding the Fourth Proportional to 398,544,052.40, 597,816,078.60 and 237,300,916.40

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Solution

The fourth proportional to 398,544,052.40, 597,816,078.60 and 237,300,916.40 is: 355,951,374.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    398,544,052.40 : 597,816,078.60 = 237,300,916.40 : x
  2. Step 2: Convert to fraction form
    398,544,052.40/597,816,078.60 = 237,300,916.40/x
  3. Step 3: Cross multiply
    398,544,052.40x = 597,816,078.60 × 237,300,916.40
  4. Step 4: Simplify right side
    398,544,052.40x = 141,862,303,290,434,432
  5. Step 5: Solve for x
    x = 141,862,303,290,434,432/398,544,052.40
  6. Step 6: Final answer
    x = 355,951,374.60

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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.