Home / 6,189,303,393.12-8,541,841,278.96-4,622,020,111.20

Finding the Fourth Proportional to 6,189,303,393.12, 8,541,841,278.96 and 4,622,020,111.20

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Solution

The fourth proportional to 6,189,303,393.12, 8,541,841,278.96 and 4,622,020,111.20 is: 6,378,837,757.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,189,303,393.12 : 8,541,841,278.96 = 4,622,020,111.20 : x
  2. Step 2: Convert to fraction form
    6,189,303,393.12/8,541,841,278.96 = 4,622,020,111.20/x
  3. Step 3: Cross multiply
    6,189,303,393.12x = 8,541,841,278.96 × 4,622,020,111.20
  4. Step 4: Simplify right side
    6,189,303,393.12x = 39,480,562,178,031,443,968
  5. Step 5: Solve for x
    x = 39,480,562,178,031,443,968/6,189,303,393.12
  6. Step 6: Final answer
    x = 6,378,837,757.72

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Double scale
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1.5x scale

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.