Home / 682,219,002.10-1,023,328,678.11-191,004,640.10

Finding the Fourth Proportional to 682,219,002.10, 1,023,328,678.11 and 191,004,640.10

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Solution

The fourth proportional to 682,219,002.10, 1,023,328,678.11 and 191,004,640.10 is: 286,507,009.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    682,219,002.10 : 1,023,328,678.11 = 191,004,640.10 : x
  2. Step 2: Convert to fraction form
    682,219,002.10/1,023,328,678.11 = 191,004,640.10/x
  3. Step 3: Cross multiply
    682,219,002.10x = 1,023,328,678.11 × 191,004,640.10
  4. Step 4: Simplify right side
    682,219,002.10x = 195,460,525,866,409,280
  5. Step 5: Solve for x
    x = 195,460,525,866,409,280/682,219,002.10
  6. Step 6: Final answer
    x = 286,507,009.13

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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.