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Finding the Fourth Proportional to 833,539,205.12, 1,250,423,783.62 and 483,949,911.12

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Solution

The fourth proportional to 833,539,205.12, 1,250,423,783.62 and 483,949,911.12 is: 725,991,621.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    833,539,205.12 : 1,250,423,783.62 = 483,949,911.12 : x
  2. Step 2: Convert to fraction form
    833,539,205.12/1,250,423,783.62 = 483,949,911.12/x
  3. Step 3: Cross multiply
    833,539,205.12x = 1,250,423,783.62 × 483,949,911.12
  4. Step 4: Simplify right side
    833,539,205.12x = 605,142,478,945,233,024
  5. Step 5: Solve for x
    x = 605,142,478,945,233,024/833,539,205.12
  6. Step 6: Final answer
    x = 725,991,621.30

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Double scale
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1.5x scale

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.