Home / 438,501,544.02-657,855,448.56-127,615,866.03

Finding the Fourth Proportional to 438,501,544.02, 657,855,448.56 and 127,615,866.03

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Solution

The fourth proportional to 438,501,544.02, 657,855,448.56 and 127,615,866.03 is: 191,453,813.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,501,544.02 : 657,855,448.56 = 127,615,866.03 : x
  2. Step 2: Convert to fraction form
    438,501,544.02/657,855,448.56 = 127,615,866.03/x
  3. Step 3: Cross multiply
    438,501,544.02x = 657,855,448.56 × 127,615,866.03
  4. Step 4: Simplify right side
    438,501,544.02x = 83,952,792,790,538,512
  5. Step 5: Solve for x
    x = 83,952,792,790,538,512/438,501,544.02
  6. Step 6: Final answer
    x = 191,453,813.41

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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.