Home / 2,117,382,709.27-2,921,972,013.39-1,164,742,986.10

Finding the Fourth Proportional to 2,117,382,709.27, 2,921,972,013.39 and 1,164,742,986.10

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Solution

The fourth proportional to 2,117,382,709.27, 2,921,972,013.39 and 1,164,742,986.10 is: 1,607,336,450.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,117,382,709.27 : 2,921,972,013.39 = 1,164,742,986.10 : x
  2. Step 2: Convert to fraction form
    2,117,382,709.27/2,921,972,013.39 = 1,164,742,986.10/x
  3. Step 3: Cross multiply
    2,117,382,709.27x = 2,921,972,013.39 × 1,164,742,986.10
  4. Step 4: Simplify right side
    2,117,382,709.27x = 3,403,346,408,176,497,152
  5. Step 5: Solve for x
    x = 3,403,346,408,176,497,152/2,117,382,709.27
  6. Step 6: Final answer
    x = 1,607,336,450.46

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Double scale
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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.