Home / 3,557,547,971.36-4,909,416,665.82-1,971,742,309.83

Finding the Fourth Proportional to 3,557,547,971.36, 4,909,416,665.82 and 1,971,742,309.83

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Solution

The fourth proportional to 3,557,547,971.36, 4,909,416,665.82 and 1,971,742,309.83 is: 2,721,004,645.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,557,547,971.36 : 4,909,416,665.82 = 1,971,742,309.83 : x
  2. Step 2: Convert to fraction form
    3,557,547,971.36/4,909,416,665.82 = 1,971,742,309.83/x
  3. Step 3: Cross multiply
    3,557,547,971.36x = 4,909,416,665.82 × 1,971,742,309.83
  4. Step 4: Simplify right side
    3,557,547,971.36x = 9,680,104,556,581,822,464
  5. Step 5: Solve for x
    x = 9,680,104,556,581,822,464/3,557,547,971.36
  6. Step 6: Final answer
    x = 2,721,004,645.48

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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.