Home / 743,144,858.20-1,114,717,287.30-498,256,845.40

Finding the Fourth Proportional to 743,144,858.20, 1,114,717,287.30 and 498,256,845.40

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Solution

The fourth proportional to 743,144,858.20, 1,114,717,287.30 and 498,256,845.40 is: 747,385,268.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    743,144,858.20 : 1,114,717,287.30 = 498,256,845.40 : x
  2. Step 2: Convert to fraction form
    743,144,858.20/1,114,717,287.30 = 498,256,845.40/x
  3. Step 3: Cross multiply
    743,144,858.20x = 1,114,717,287.30 × 498,256,845.40
  4. Step 4: Simplify right side
    743,144,858.20x = 555,415,519,082,943,424
  5. Step 5: Solve for x
    x = 555,415,519,082,943,424/743,144,858.20
  6. Step 6: Final answer
    x = 747,385,268.10

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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.