Home / 862,379,646,501.60-1,190,004,047,264.80-476,995,697,811.30

Finding the Fourth Proportional to 862,379,646,501.60, 1,190,004,047,264.80 and 476,995,697,811.30

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Solution

The fourth proportional to 862,379,646,501.60, 1,190,004,047,264.80 and 476,995,697,811.30 is: 658,209,888,447.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    862,379,646,501.60 : 1,190,004,047,264.80 = 476,995,697,811.30 : x
  2. Step 2: Convert to fraction form
    862,379,646,501.60/1,190,004,047,264.80 = 476,995,697,811.30/x
  3. Step 3: Cross multiply
    862,379,646,501.60x = 1,190,004,047,264.80 × 476,995,697,811.30
  4. Step 4: Simplify right side
    862,379,646,501.60x = 567,626,810,923,344,501,669,888
  5. Step 5: Solve for x
    x = 567,626,810,923,344,501,669,888/862,379,646,501.60
  6. Step 6: Final answer
    x = 658,209,888,447.65

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Double scale
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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.