Home / 1,173,313,985.10-1,759,970,977.65-629,118,401.10

Finding the Fourth Proportional to 1,173,313,985.10, 1,759,970,977.65 and 629,118,401.10

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Solution

The fourth proportional to 1,173,313,985.10, 1,759,970,977.65 and 629,118,401.10 is: 943,677,601.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,173,313,985.10 : 1,759,970,977.65 = 629,118,401.10 : x
  2. Step 2: Convert to fraction form
    1,173,313,985.10/1,759,970,977.65 = 629,118,401.10/x
  3. Step 3: Cross multiply
    1,173,313,985.10x = 1,759,970,977.65 × 629,118,401.10
  4. Step 4: Simplify right side
    1,173,313,985.10x = 1,107,230,127,441,571,968
  5. Step 5: Solve for x
    x = 1,107,230,127,441,571,968/1,173,313,985.10
  6. Step 6: Final answer
    x = 943,677,601.65

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Half scale
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Double scale
Find fourth proportional to 1,173,313,986.10, 1,759,970,979.15 and 629,118,402.10
Similar ratio
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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.