Home / 692,078,507.84-1,037,985,460.96-207,404,315.84

Finding the Fourth Proportional to 692,078,507.84, 1,037,985,460.96 and 207,404,315.84

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Solution

The fourth proportional to 692,078,507.84, 1,037,985,460.96 and 207,404,315.84 is: 311,066,825.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    692,078,507.84 : 1,037,985,460.96 = 207,404,315.84 : x
  2. Step 2: Convert to fraction form
    692,078,507.84/1,037,985,460.96 = 207,404,315.84/x
  3. Step 3: Cross multiply
    692,078,507.84x = 1,037,985,460.96 × 207,404,315.84
  4. Step 4: Simplify right side
    692,078,507.84x = 215,282,664,382,275,840
  5. Step 5: Solve for x
    x = 215,282,664,382,275,840/692,078,507.84
  6. Step 6: Final answer
    x = 311,066,825.43

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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.