Home / 425,088,014.40-637,632,021.60-386,792,769.60

Finding the Fourth Proportional to 425,088,014.40, 637,632,021.60 and 386,792,769.60

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Solution

The fourth proportional to 425,088,014.40, 637,632,021.60 and 386,792,769.60 is: 580,189,154.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,088,014.40 : 637,632,021.60 = 386,792,769.60 : x
  2. Step 2: Convert to fraction form
    425,088,014.40/637,632,021.60 = 386,792,769.60/x
  3. Step 3: Cross multiply
    425,088,014.40x = 637,632,021.60 × 386,792,769.60
  4. Step 4: Simplify right side
    425,088,014.40x = 246,631,455,620,311,040
  5. Step 5: Solve for x
    x = 246,631,455,620,311,040/425,088,014.40
  6. Step 6: Final answer
    x = 580,189,154.40

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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.