Home / 7,127,587,776.87-10,691,790,237.95-1,887,059,811.85

Finding the Fourth Proportional to 7,127,587,776.87, 10,691,790,237.95 and 1,887,059,811.85

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Solution

The fourth proportional to 7,127,587,776.87, 10,691,790,237.95 and 1,887,059,811.85 is: 2,830,697,889.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,127,587,776.87 : 10,691,790,237.95 = 1,887,059,811.85 : x
  2. Step 2: Convert to fraction form
    7,127,587,776.87/10,691,790,237.95 = 1,887,059,811.85/x
  3. Step 3: Cross multiply
    7,127,587,776.87x = 10,691,790,237.95 × 1,887,059,811.85
  4. Step 4: Simplify right side
    7,127,587,776.87x = 20,176,047,674,765,594,624
  5. Step 5: Solve for x
    x = 20,176,047,674,765,594,624/7,127,587,776.87
  6. Step 6: Final answer
    x = 2,830,697,889.16

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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.