Home / 1,554,029,619.30-2,330,990,515.35-389,508,300.90

Finding the Fourth Proportional to 1,554,029,619.30, 2,330,990,515.35 and 389,508,300.90

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Solution

The fourth proportional to 1,554,029,619.30, 2,330,990,515.35 and 389,508,300.90 is: 584,248,938.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,554,029,619.30 : 2,330,990,515.35 = 389,508,300.90 : x
  2. Step 2: Convert to fraction form
    1,554,029,619.30/2,330,990,515.35 = 389,508,300.90/x
  3. Step 3: Cross multiply
    1,554,029,619.30x = 2,330,990,515.35 × 389,508,300.90
  4. Step 4: Simplify right side
    1,554,029,619.30x = 907,940,155,047,993,728
  5. Step 5: Solve for x
    x = 907,940,155,047,993,728/1,554,029,619.30
  6. Step 6: Final answer
    x = 584,248,938.23

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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.