Home / 742,603,033.69-1,024,824,072.95-412,578,172.69

Finding the Fourth Proportional to 742,603,033.69, 1,024,824,072.95 and 412,578,172.69

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Solution

The fourth proportional to 742,603,033.69, 1,024,824,072.95 and 412,578,172.69 is: 569,375,593.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    742,603,033.69 : 1,024,824,072.95 = 412,578,172.69 : x
  2. Step 2: Convert to fraction form
    742,603,033.69/1,024,824,072.95 = 412,578,172.69/x
  3. Step 3: Cross multiply
    742,603,033.69x = 1,024,824,072.95 × 412,578,172.69
  4. Step 4: Simplify right side
    742,603,033.69x = 422,820,043,343,377,088
  5. Step 5: Solve for x
    x = 422,820,043,343,377,088/742,603,033.69
  6. Step 6: Final answer
    x = 569,375,593.91

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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.