Home / 398,675,413.20-598,013,119.80-244,822,587.60

Finding the Fourth Proportional to 398,675,413.20, 598,013,119.80 and 244,822,587.60

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Solution

The fourth proportional to 398,675,413.20, 598,013,119.80 and 244,822,587.60 is: 367,233,881.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    398,675,413.20 : 598,013,119.80 = 244,822,587.60 : x
  2. Step 2: Convert to fraction form
    398,675,413.20/598,013,119.80 = 244,822,587.60/x
  3. Step 3: Cross multiply
    398,675,413.20x = 598,013,119.80 × 244,822,587.60
  4. Step 4: Simplify right side
    398,675,413.20x = 146,407,119,408,184,768
  5. Step 5: Solve for x
    x = 146,407,119,408,184,768/398,675,413.20
  6. Step 6: Final answer
    x = 367,233,881.40

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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.