Home / 1,686,536,642.64-2,327,089,818.96-1,059,641,869.80

Finding the Fourth Proportional to 1,686,536,642.64, 2,327,089,818.96 and 1,059,641,869.80

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Solution

The fourth proportional to 1,686,536,642.64, 2,327,089,818.96 and 1,059,641,869.80 is: 1,462,097,973.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,686,536,642.64 : 2,327,089,818.96 = 1,059,641,869.80 : x
  2. Step 2: Convert to fraction form
    1,686,536,642.64/2,327,089,818.96 = 1,059,641,869.80/x
  3. Step 3: Cross multiply
    1,686,536,642.64x = 2,327,089,818.96 × 1,059,641,869.80
  4. Step 4: Simplify right side
    1,686,536,642.64x = 2,465,881,806,955,317,760
  5. Step 5: Solve for x
    x = 2,465,881,806,955,317,760/1,686,536,642.64
  6. Step 6: Final answer
    x = 1,462,097,973.21

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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.