Home / 1,174,335,761.44-1,762,190,529.68-437,914,424.80

Finding the Fourth Proportional to 1,174,335,761.44, 1,762,190,529.68 and 437,914,424.80

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Solution

The fourth proportional to 1,174,335,761.44, 1,762,190,529.68 and 437,914,424.80 is: 657,127,780.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,174,335,761.44 : 1,762,190,529.68 = 437,914,424.80 : x
  2. Step 2: Convert to fraction form
    1,174,335,761.44/1,762,190,529.68 = 437,914,424.80/x
  3. Step 3: Cross multiply
    1,174,335,761.44x = 1,762,190,529.68 × 437,914,424.80
  4. Step 4: Simplify right side
    1,174,335,761.44x = 771,688,652,192,824,576
  5. Step 5: Solve for x
    x = 771,688,652,192,824,576/1,174,335,761.44
  6. Step 6: Final answer
    x = 657,127,780.26

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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.