Home / 692,404,693.32-1,036,958,326.28-400,656,968.76

Finding the Fourth Proportional to 692,404,693.32, 1,036,958,326.28 and 400,656,968.76

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Solution

The fourth proportional to 692,404,693.32, 1,036,958,326.28 and 400,656,968.76 is: 600,031,432.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    692,404,693.32 : 1,036,958,326.28 = 400,656,968.76 : x
  2. Step 2: Convert to fraction form
    692,404,693.32/1,036,958,326.28 = 400,656,968.76/x
  3. Step 3: Cross multiply
    692,404,693.32x = 1,036,958,326.28 × 400,656,968.76
  4. Step 4: Simplify right side
    692,404,693.32x = 415,464,579,735,784,512
  5. Step 5: Solve for x
    x = 415,464,579,735,784,512/692,404,693.32
  6. Step 6: Final answer
    x = 600,031,432.11

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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.