Home / 1,872,134,857.72-2,807,539,902.05-543,886,558.81

Finding the Fourth Proportional to 1,872,134,857.72, 2,807,539,902.05 and 543,886,558.81

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Solution

The fourth proportional to 1,872,134,857.72, 2,807,539,902.05 and 543,886,558.81 is: 815,637,404.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,872,134,857.72 : 2,807,539,902.05 = 543,886,558.81 : x
  2. Step 2: Convert to fraction form
    1,872,134,857.72/2,807,539,902.05 = 543,886,558.81/x
  3. Step 3: Cross multiply
    1,872,134,857.72x = 2,807,539,902.05 × 543,886,558.81
  4. Step 4: Simplify right side
    1,872,134,857.72x = 1,526,983,216,048,528,896
  5. Step 5: Solve for x
    x = 1,526,983,216,048,528,896/1,872,134,857.72
  6. Step 6: Final answer
    x = 815,637,404.41

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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.