Home / 692,404,707.84-1,036,958,347.98-400,656,983.28

Finding the Fourth Proportional to 692,404,707.84, 1,036,958,347.98 and 400,656,983.28

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Solution

The fourth proportional to 692,404,707.84, 1,036,958,347.98 and 400,656,983.28 is: 600,031,453.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    692,404,707.84 : 1,036,958,347.98 = 400,656,983.28 : x
  2. Step 2: Convert to fraction form
    692,404,707.84/1,036,958,347.98 = 400,656,983.28/x
  3. Step 3: Cross multiply
    692,404,707.84x = 1,036,958,347.98 × 400,656,983.28
  4. Step 4: Simplify right side
    692,404,707.84x = 415,464,603,488,679,232
  5. Step 5: Solve for x
    x = 415,464,603,488,679,232/692,404,707.84
  6. Step 6: Final answer
    x = 600,031,453.84

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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.