Home / 545,568,206.40-818,352,309.60-373,381,322.40

Finding the Fourth Proportional to 545,568,206.40, 818,352,309.60 and 373,381,322.40

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Solution

The fourth proportional to 545,568,206.40, 818,352,309.60 and 373,381,322.40 is: 560,071,983.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,568,206.40 : 818,352,309.60 = 373,381,322.40 : x
  2. Step 2: Convert to fraction form
    545,568,206.40/818,352,309.60 = 373,381,322.40/x
  3. Step 3: Cross multiply
    545,568,206.40x = 818,352,309.60 × 373,381,322.40
  4. Step 4: Simplify right side
    545,568,206.40x = 305,557,467,547,542,208
  5. Step 5: Solve for x
    x = 305,557,467,547,542,208/545,568,206.40
  6. Step 6: Final answer
    x = 560,071,983.60

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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.