Home / 899,379,764.19-1,241,048,523.39-497,429,640.31

Finding the Fourth Proportional to 899,379,764.19, 1,241,048,523.39 and 497,429,640.31

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Solution

The fourth proportional to 899,379,764.19, 1,241,048,523.39 and 497,429,640.31 is: 686,400,056.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    899,379,764.19 : 1,241,048,523.39 = 497,429,640.31 : x
  2. Step 2: Convert to fraction form
    899,379,764.19/1,241,048,523.39 = 497,429,640.31/x
  3. Step 3: Cross multiply
    899,379,764.19x = 1,241,048,523.39 × 497,429,640.31
  4. Step 4: Simplify right side
    899,379,764.19x = 617,334,320,597,144,320
  5. Step 5: Solve for x
    x = 617,334,320,597,144,320/899,379,764.19
  6. Step 6: Final answer
    x = 686,400,056.10

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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.