Home / 452,807,278.81-624,876,160.87-257,247,721.69

Finding the Fourth Proportional to 452,807,278.81, 624,876,160.87 and 257,247,721.69

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Solution

The fourth proportional to 452,807,278.81, 624,876,160.87 and 257,247,721.69 is: 355,003,058.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,807,278.81 : 624,876,160.87 = 257,247,721.69 : x
  2. Step 2: Convert to fraction form
    452,807,278.81/624,876,160.87 = 257,247,721.69/x
  3. Step 3: Cross multiply
    452,807,278.81x = 624,876,160.87 × 257,247,721.69
  4. Step 4: Simplify right side
    452,807,278.81x = 160,747,968,724,478,848
  5. Step 5: Solve for x
    x = 160,747,968,724,478,848/452,807,278.81
  6. Step 6: Final answer
    x = 355,003,058.14

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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.