Home / 682,677,590.19-942,096,712.10-369,415,165.65

Finding the Fourth Proportional to 682,677,590.19, 942,096,712.10 and 369,415,165.65

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Solution

The fourth proportional to 682,677,590.19, 942,096,712.10 and 369,415,165.65 is: 509,793,814.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    682,677,590.19 : 942,096,712.10 = 369,415,165.65 : x
  2. Step 2: Convert to fraction form
    682,677,590.19/942,096,712.10 = 369,415,165.65/x
  3. Step 3: Cross multiply
    682,677,590.19x = 942,096,712.10 × 369,415,165.65
  4. Step 4: Simplify right side
    682,677,590.19x = 348,024,812,958,741,824
  5. Step 5: Solve for x
    x = 348,024,812,958,741,824/682,677,590.19
  6. Step 6: Final answer
    x = 509,793,814.77

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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.