Home / 1,161,303,628.80-1,741,918,118.40-384,985,113.60

Finding the Fourth Proportional to 1,161,303,628.80, 1,741,918,118.40 and 384,985,113.60

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Solution

The fourth proportional to 1,161,303,628.80, 1,741,918,118.40 and 384,985,113.60 is: 577,465,296.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,161,303,628.80 : 1,741,918,118.40 = 384,985,113.60 : x
  2. Step 2: Convert to fraction form
    1,161,303,628.80/1,741,918,118.40 = 384,985,113.60/x
  3. Step 3: Cross multiply
    1,161,303,628.80x = 1,741,918,118.40 × 384,985,113.60
  4. Step 4: Simplify right side
    1,161,303,628.80x = 670,612,544,694,122,368
  5. Step 5: Solve for x
    x = 670,612,544,694,122,368/1,161,303,628.80
  6. Step 6: Final answer
    x = 577,465,296.81

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Double scale
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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.