Home / 899,379,761.69-1,241,048,519.94-497,429,637.81

Finding the Fourth Proportional to 899,379,761.69, 1,241,048,519.94 and 497,429,637.81

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Solution

The fourth proportional to 899,379,761.69, 1,241,048,519.94 and 497,429,637.81 is: 686,400,052.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    899,379,761.69 : 1,241,048,519.94 = 497,429,637.81 : x
  2. Step 2: Convert to fraction form
    899,379,761.69/1,241,048,519.94 = 497,429,637.81/x
  3. Step 3: Cross multiply
    899,379,761.69x = 1,241,048,519.94 × 497,429,637.81
  4. Step 4: Simplify right side
    899,379,761.69x = 617,334,315,784,683,904
  5. Step 5: Solve for x
    x = 617,334,315,784,683,904/899,379,761.69
  6. Step 6: Final answer
    x = 686,400,052.66

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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.