Home / 416,076,979.20-622,921,075.20-404,133,043.20

Finding the Fourth Proportional to 416,076,979.20, 622,921,075.20 and 404,133,043.20

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Solution

The fourth proportional to 416,076,979.20, 622,921,075.20 and 404,133,043.20 is: 605,039,457.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,076,979.20 : 622,921,075.20 = 404,133,043.20 : x
  2. Step 2: Convert to fraction form
    416,076,979.20/622,921,075.20 = 404,133,043.20/x
  3. Step 3: Cross multiply
    416,076,979.20x = 622,921,075.20 × 404,133,043.20
  4. Step 4: Simplify right side
    416,076,979.20x = 251,742,989,793,992,064
  5. Step 5: Solve for x
    x = 251,742,989,793,992,064/416,076,979.20
  6. Step 6: Final answer
    x = 605,039,457.55

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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.