Home / 3,557,547,970.96-4,909,416,665.28-1,971,742,309.42

Finding the Fourth Proportional to 3,557,547,970.96, 4,909,416,665.28 and 1,971,742,309.42

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Solution

The fourth proportional to 3,557,547,970.96, 4,909,416,665.28 and 1,971,742,309.42 is: 2,721,004,644.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,557,547,970.96 : 4,909,416,665.28 = 1,971,742,309.42 : x
  2. Step 2: Convert to fraction form
    3,557,547,970.96/4,909,416,665.28 = 1,971,742,309.42/x
  3. Step 3: Cross multiply
    3,557,547,970.96x = 4,909,416,665.28 × 1,971,742,309.42
  4. Step 4: Simplify right side
    3,557,547,970.96x = 9,680,104,553,504,221,184
  5. Step 5: Solve for x
    x = 9,680,104,553,504,221,184/3,557,547,970.96
  6. Step 6: Final answer
    x = 2,721,004,644.92

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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.