Home / 1,022,153,039.75-1,533,487,581.89-285,222,325.29

Finding the Fourth Proportional to 1,022,153,039.75, 1,533,487,581.89 and 285,222,325.29

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Solution

The fourth proportional to 1,022,153,039.75, 1,533,487,581.89 and 285,222,325.29 is: 427,905,486.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,022,153,039.75 : 1,533,487,581.89 = 285,222,325.29 : x
  2. Step 2: Convert to fraction form
    1,022,153,039.75/1,533,487,581.89 = 285,222,325.29/x
  3. Step 3: Cross multiply
    1,022,153,039.75x = 1,533,487,581.89 × 285,222,325.29
  4. Step 4: Simplify right side
    1,022,153,039.75x = 437,384,893,908,579,008
  5. Step 5: Solve for x
    x = 437,384,893,908,579,008/1,022,153,039.75
  6. Step 6: Final answer
    x = 427,905,486.66

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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.