Home / 9,985,150,289.09-13,779,514,827.86-5,407,450,242.76

Finding the Fourth Proportional to 9,985,150,289.09, 13,779,514,827.86 and 5,407,450,242.76

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Solution

The fourth proportional to 9,985,150,289.09, 13,779,514,827.86 and 5,407,450,242.76 is: 7,462,285,358.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,985,150,289.09 : 13,779,514,827.86 = 5,407,450,242.76 : x
  2. Step 2: Convert to fraction form
    9,985,150,289.09/13,779,514,827.86 = 5,407,450,242.76/x
  3. Step 3: Cross multiply
    9,985,150,289.09x = 13,779,514,827.86 × 5,407,450,242.76
  4. Step 4: Simplify right side
    9,985,150,289.09x = 74,512,040,800,957,677,568
  5. Step 5: Solve for x
    x = 74,512,040,800,957,677,568/9,985,150,289.09
  6. Step 6: Final answer
    x = 7,462,285,358.13

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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.