Home / 14,289,610,149.69-19,719,678,355.16-7,945,841,779.93

Finding the Fourth Proportional to 14,289,610,149.69, 19,719,678,355.16 and 7,945,841,779.93

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Solution

The fourth proportional to 14,289,610,149.69, 19,719,678,355.16 and 7,945,841,779.93 is: 10,965,270,747.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,289,610,149.69 : 19,719,678,355.16 = 7,945,841,779.93 : x
  2. Step 2: Convert to fraction form
    14,289,610,149.69/19,719,678,355.16 = 7,945,841,779.93/x
  3. Step 3: Cross multiply
    14,289,610,149.69x = 19,719,678,355.16 × 7,945,841,779.93
  4. Step 4: Simplify right side
    14,289,610,149.69x = 156,689,444,161,211,629,568
  5. Step 5: Solve for x
    x = 156,689,444,161,211,629,568/14,289,610,149.69
  6. Step 6: Final answer
    x = 10,965,270,747.05

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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.