Home / 713,512,329.59-1,069,922,475.45-418,503,849.59

Finding the Fourth Proportional to 713,512,329.59, 1,069,922,475.45 and 418,503,849.59

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Solution

The fourth proportional to 713,512,329.59, 1,069,922,475.45 and 418,503,849.59 is: 627,552,820.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    713,512,329.59 : 1,069,922,475.45 = 418,503,849.59 : x
  2. Step 2: Convert to fraction form
    713,512,329.59/1,069,922,475.45 = 418,503,849.59/x
  3. Step 3: Cross multiply
    713,512,329.59x = 1,069,922,475.45 × 418,503,849.59
  4. Step 4: Simplify right side
    713,512,329.59x = 447,766,674,741,362,048
  5. Step 5: Solve for x
    x = 447,766,674,741,362,048/713,512,329.59
  6. Step 6: Final answer
    x = 627,552,820.28

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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.