Home / 1,250,701,039.68-1,725,975,223.20-693,819,378.24

Finding the Fourth Proportional to 1,250,701,039.68, 1,725,975,223.20 and 693,819,378.24

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Solution

The fourth proportional to 1,250,701,039.68, 1,725,975,223.20 and 693,819,378.24 is: 957,475,062.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,250,701,039.68 : 1,725,975,223.20 = 693,819,378.24 : x
  2. Step 2: Convert to fraction form
    1,250,701,039.68/1,725,975,223.20 = 693,819,378.24/x
  3. Step 3: Cross multiply
    1,250,701,039.68x = 1,725,975,223.20 × 693,819,378.24
  4. Step 4: Simplify right side
    1,250,701,039.68x = 1,197,515,056,218,269,184
  5. Step 5: Solve for x
    x = 1,197,515,056,218,269,184/1,250,701,039.68
  6. Step 6: Final answer
    x = 957,475,062.57

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Half scale
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Double scale
Find fourth proportional to 1,250,701,040.68, 1,725,975,224.58 and 693,819,379.24
Similar ratio
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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.