Home / 3,557,547,969.96-4,909,416,663.90-1,971,742,308.42

Finding the Fourth Proportional to 3,557,547,969.96, 4,909,416,663.90 and 1,971,742,308.42

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Solution

The fourth proportional to 3,557,547,969.96, 4,909,416,663.90 and 1,971,742,308.42 is: 2,721,004,643.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,557,547,969.96 : 4,909,416,663.90 = 1,971,742,308.42 : x
  2. Step 2: Convert to fraction form
    3,557,547,969.96/4,909,416,663.90 = 1,971,742,308.42/x
  3. Step 3: Cross multiply
    3,557,547,969.96x = 4,909,416,663.90 × 1,971,742,308.42
  4. Step 4: Simplify right side
    3,557,547,969.96x = 9,680,104,545,873,801,216
  5. Step 5: Solve for x
    x = 9,680,104,545,873,801,216/3,557,547,969.96
  6. Step 6: Final answer
    x = 2,721,004,643.54

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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.