Home / 862,379,646,499.95-1,190,004,047,262.60-476,995,697,809.69

Finding the Fourth Proportional to 862,379,646,499.95, 1,190,004,047,262.60 and 476,995,697,809.69

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Solution

The fourth proportional to 862,379,646,499.95, 1,190,004,047,262.60 and 476,995,697,809.69 is: 658,209,888,445.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    862,379,646,499.95 : 1,190,004,047,262.60 = 476,995,697,809.69 : x
  2. Step 2: Convert to fraction form
    862,379,646,499.95/1,190,004,047,262.60 = 476,995,697,809.69/x
  3. Step 3: Cross multiply
    862,379,646,499.95x = 1,190,004,047,262.60 × 476,995,697,809.69
  4. Step 4: Simplify right side
    862,379,646,499.95x = 567,626,810,920,379,229,405,184
  5. Step 5: Solve for x
    x = 567,626,810,920,379,229,405,184/862,379,646,499.95
  6. Step 6: Final answer
    x = 658,209,888,445.47

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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.