Home / 682,704,882.66-942,135,223.38-369,439,068.26

Finding the Fourth Proportional to 682,704,882.66, 942,135,223.38 and 369,439,068.26

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Solution

The fourth proportional to 682,704,882.66, 942,135,223.38 and 369,439,068.26 is: 509,827,259.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    682,704,882.66 : 942,135,223.38 = 369,439,068.26 : x
  2. Step 2: Convert to fraction form
    682,704,882.66/942,135,223.38 = 369,439,068.26/x
  3. Step 3: Cross multiply
    682,704,882.66x = 942,135,223.38 × 369,439,068.26
  4. Step 4: Simplify right side
    682,704,882.66x = 348,061,559,100,434,176
  5. Step 5: Solve for x
    x = 348,061,559,100,434,176/682,704,882.66
  6. Step 6: Final answer
    x = 509,827,259.10

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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.