Home / 692,641,687.48-1,040,620,012.63-444,133,827.76

Finding the Fourth Proportional to 692,641,687.48, 1,040,620,012.63 and 444,133,827.76

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Solution

The fourth proportional to 692,641,687.48, 1,040,620,012.63 and 444,133,827.76 is: 667,263,547.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    692,641,687.48 : 1,040,620,012.63 = 444,133,827.76 : x
  2. Step 2: Convert to fraction form
    692,641,687.48/1,040,620,012.63 = 444,133,827.76/x
  3. Step 3: Cross multiply
    692,641,687.48x = 1,040,620,012.63 × 444,133,827.76
  4. Step 4: Simplify right side
    692,641,687.48x = 462,174,549,453,021,440
  5. Step 5: Solve for x
    x = 462,174,549,453,021,440/692,641,687.48
  6. Step 6: Final answer
    x = 667,263,547.38

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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.