Home / 1,299,716,272.87-1,793,606,617.97-705,000,039.12

Finding the Fourth Proportional to 1,299,716,272.87, 1,793,606,617.97 and 705,000,039.12

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Solution

The fourth proportional to 1,299,716,272.87, 1,793,606,617.97 and 705,000,039.12 is: 972,899,056.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,299,716,272.87 : 1,793,606,617.97 = 705,000,039.12 : x
  2. Step 2: Convert to fraction form
    1,299,716,272.87/1,793,606,617.97 = 705,000,039.12/x
  3. Step 3: Cross multiply
    1,299,716,272.87x = 1,793,606,617.97 × 705,000,039.12
  4. Step 4: Simplify right side
    1,299,716,272.87x = 1,264,492,735,840,476,928
  5. Step 5: Solve for x
    x = 1,264,492,735,840,476,928/1,299,716,272.87
  6. Step 6: Final answer
    x = 972,899,056.69

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.