Home / 808,534,443.49-1,115,780,894.33-437,256,474.87

Finding the Fourth Proportional to 808,534,443.49, 1,115,780,894.33 and 437,256,474.87

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Solution

The fourth proportional to 808,534,443.49, 1,115,780,894.33 and 437,256,474.87 is: 603,415,753.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,534,443.49 : 1,115,780,894.33 = 437,256,474.87 : x
  2. Step 2: Convert to fraction form
    808,534,443.49/1,115,780,894.33 = 437,256,474.87/x
  3. Step 3: Cross multiply
    808,534,443.49x = 1,115,780,894.33 × 437,256,474.87
  4. Step 4: Simplify right side
    808,534,443.49x = 487,882,420,582,031,744
  5. Step 5: Solve for x
    x = 487,882,420,582,031,744/808,534,443.49
  6. Step 6: Final answer
    x = 603,415,753.66

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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.