Home / 564,729,999.80-847,094,999.70-258,619,983.80

Finding the Fourth Proportional to 564,729,999.80, 847,094,999.70 and 258,619,983.80

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Solution

The fourth proportional to 564,729,999.80, 847,094,999.70 and 258,619,983.80 is: 387,929,975.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    564,729,999.80 : 847,094,999.70 = 258,619,983.80 : x
  2. Step 2: Convert to fraction form
    564,729,999.80/847,094,999.70 = 258,619,983.80/x
  3. Step 3: Cross multiply
    564,729,999.80x = 847,094,999.70 × 258,619,983.80
  4. Step 4: Simplify right side
    564,729,999.80x = 219,075,695,099,475,040
  5. Step 5: Solve for x
    x = 219,075,695,099,475,040/564,729,999.80
  6. Step 6: Final answer
    x = 387,929,975.70

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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.