Home / 1,153,101,191.51-1,591,271,720.69-624,453,080.09

Finding the Fourth Proportional to 1,153,101,191.51, 1,591,271,720.69 and 624,453,080.09

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Solution

The fourth proportional to 1,153,101,191.51, 1,591,271,720.69 and 624,453,080.09 is: 861,740,959.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,153,101,191.51 : 1,591,271,720.69 = 624,453,080.09 : x
  2. Step 2: Convert to fraction form
    1,153,101,191.51/1,591,271,720.69 = 624,453,080.09/x
  3. Step 3: Cross multiply
    1,153,101,191.51x = 1,591,271,720.69 × 624,453,080.09
  4. Step 4: Simplify right side
    1,153,101,191.51x = 993,674,527,233,906,048
  5. Step 5: Solve for x
    x = 993,674,527,233,906,048/1,153,101,191.51
  6. Step 6: Final answer
    x = 861,740,959.55

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Double scale
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1.5x scale

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.