Home / 609,724,879.67-841,420,332.71-345,406,872.35

Finding the Fourth Proportional to 609,724,879.67, 841,420,332.71 and 345,406,872.35

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Solution

The fourth proportional to 609,724,879.67, 841,420,332.71 and 345,406,872.35 is: 476,661,483.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,724,879.67 : 841,420,332.71 = 345,406,872.35 : x
  2. Step 2: Convert to fraction form
    609,724,879.67/841,420,332.71 = 345,406,872.35/x
  3. Step 3: Cross multiply
    609,724,879.67x = 841,420,332.71 × 345,406,872.35
  4. Step 4: Simplify right side
    609,724,879.67x = 290,632,365,450,090,432
  5. Step 5: Solve for x
    x = 290,632,365,450,090,432/609,724,879.67
  6. Step 6: Final answer
    x = 476,661,483.14

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.