Home / 692,133,221,452.40-1,037,373,335,135.40-289,215,912,892.40

Finding the Fourth Proportional to 692,133,221,452.40, 1,037,373,335,135.40 and 289,215,912,892.40

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Solution

The fourth proportional to 692,133,221,452.40, 1,037,373,335,135.40 and 289,215,912,892.40 is: 433,478,507,940.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    692,133,221,452.40 : 1,037,373,335,135.40 = 289,215,912,892.40 : x
  2. Step 2: Convert to fraction form
    692,133,221,452.40/1,037,373,335,135.40 = 289,215,912,892.40/x
  3. Step 3: Cross multiply
    692,133,221,452.40x = 1,037,373,335,135.40 × 289,215,912,892.40
  4. Step 4: Simplify right side
    692,133,221,452.40x = 300,024,876,131,418,346,881,024
  5. Step 5: Solve for x
    x = 300,024,876,131,418,346,881,024/692,133,221,452.40
  6. Step 6: Final answer
    x = 433,478,507,940.76

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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.