Home / 692,404,695.83-1,036,958,330.03-400,656,971.27

Finding the Fourth Proportional to 692,404,695.83, 1,036,958,330.03 and 400,656,971.27

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Solution

The fourth proportional to 692,404,695.83, 1,036,958,330.03 and 400,656,971.27 is: 600,031,435.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    692,404,695.83 : 1,036,958,330.03 = 400,656,971.27 : x
  2. Step 2: Convert to fraction form
    692,404,695.83/1,036,958,330.03 = 400,656,971.27/x
  3. Step 3: Cross multiply
    692,404,695.83x = 1,036,958,330.03 × 400,656,971.27
  4. Step 4: Simplify right side
    692,404,695.83x = 415,464,583,835,828,800
  5. Step 5: Solve for x
    x = 415,464,583,835,828,800/692,404,695.83
  6. Step 6: Final answer
    x = 600,031,435.87

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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.