Home / 1,211,507,193.22-1,671,879,929.85-654,590,240.26

Finding the Fourth Proportional to 1,211,507,193.22, 1,671,879,929.85 and 654,590,240.26

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Solution

The fourth proportional to 1,211,507,193.22, 1,671,879,929.85 and 654,590,240.26 is: 903,334,533.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,211,507,193.22 : 1,671,879,929.85 = 654,590,240.26 : x
  2. Step 2: Convert to fraction form
    1,211,507,193.22/1,671,879,929.85 = 654,590,240.26/x
  3. Step 3: Cross multiply
    1,211,507,193.22x = 1,671,879,929.85 × 654,590,240.26
  4. Step 4: Simplify right side
    1,211,507,193.22x = 1,094,396,284,966,383,360
  5. Step 5: Solve for x
    x = 1,094,396,284,966,383,360/1,211,507,193.22
  6. Step 6: Final answer
    x = 903,334,533.29

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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.