Home / 519,525,644.98-716,945,163.54-281,370,840.34

Finding the Fourth Proportional to 519,525,644.98, 716,945,163.54 and 281,370,840.34

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Solution

The fourth proportional to 519,525,644.98, 716,945,163.54 and 281,370,840.34 is: 388,291,636.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    519,525,644.98 : 716,945,163.54 = 281,370,840.34 : x
  2. Step 2: Convert to fraction form
    519,525,644.98/716,945,163.54 = 281,370,840.34/x
  3. Step 3: Cross multiply
    519,525,644.98x = 716,945,163.54 × 281,370,840.34
  4. Step 4: Simplify right side
    519,525,644.98x = 201,727,463,144,037,440
  5. Step 5: Solve for x
    x = 201,727,463,144,037,440/519,525,644.98
  6. Step 6: Final answer
    x = 388,291,636.98

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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.