Home / 692,404,704.84-1,036,958,343.48-400,656,980.28

Finding the Fourth Proportional to 692,404,704.84, 1,036,958,343.48 and 400,656,980.28

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Solution

The fourth proportional to 692,404,704.84, 1,036,958,343.48 and 400,656,980.28 is: 600,031,449.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    692,404,704.84 : 1,036,958,343.48 = 400,656,980.28 : x
  2. Step 2: Convert to fraction form
    692,404,704.84/1,036,958,343.48 = 400,656,980.28/x
  3. Step 3: Cross multiply
    692,404,704.84x = 1,036,958,343.48 × 400,656,980.28
  4. Step 4: Simplify right side
    692,404,704.84x = 415,464,598,574,847,808
  5. Step 5: Solve for x
    x = 415,464,598,574,847,808/692,404,704.84
  6. Step 6: Final answer
    x = 600,031,449.34

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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.