Home / 7,127,587,368.15-10,691,789,624.83-1,887,059,403.13

Finding the Fourth Proportional to 7,127,587,368.15, 10,691,789,624.83 and 1,887,059,403.13

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Solution

The fourth proportional to 7,127,587,368.15, 10,691,789,624.83 and 1,887,059,403.13 is: 2,830,697,276.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,127,587,368.15 : 10,691,789,624.83 = 1,887,059,403.13 : x
  2. Step 2: Convert to fraction form
    7,127,587,368.15/10,691,789,624.83 = 1,887,059,403.13/x
  3. Step 3: Cross multiply
    7,127,587,368.15x = 10,691,789,624.83 × 1,887,059,403.13
  4. Step 4: Simplify right side
    7,127,587,368.15x = 20,176,042,147,823,226,880
  5. Step 5: Solve for x
    x = 20,176,042,147,823,226,880/7,127,587,368.15
  6. Step 6: Final answer
    x = 2,830,697,276.05

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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.