Home / 848,337,124.64-1,272,492,882.08-381,669,002.81

Finding the Fourth Proportional to 848,337,124.64, 1,272,492,882.08 and 381,669,002.81

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Solution

The fourth proportional to 848,337,124.64, 1,272,492,882.08 and 381,669,002.81 is: 572,497,743.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    848,337,124.64 : 1,272,492,882.08 = 381,669,002.81 : x
  2. Step 2: Convert to fraction form
    848,337,124.64/1,272,492,882.08 = 381,669,002.81/x
  3. Step 3: Cross multiply
    848,337,124.64x = 1,272,492,882.08 × 381,669,002.81
  4. Step 4: Simplify right side
    848,337,124.64x = 485,671,089,378,025,728
  5. Step 5: Solve for x
    x = 485,671,089,378,025,728/848,337,124.64
  6. Step 6: Final answer
    x = 572,497,743.26

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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.