Home / 1,507,107,359.51-2,079,809,880.36-838,038,039.21

Finding the Fourth Proportional to 1,507,107,359.51, 2,079,809,880.36 and 838,038,039.21

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Solution

The fourth proportional to 1,507,107,359.51, 2,079,809,880.36 and 838,038,039.21 is: 1,156,493,452.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,507,107,359.51 : 2,079,809,880.36 = 838,038,039.21 : x
  2. Step 2: Convert to fraction form
    1,507,107,359.51/2,079,809,880.36 = 838,038,039.21/x
  3. Step 3: Cross multiply
    1,507,107,359.51x = 2,079,809,880.36 × 838,038,039.21
  4. Step 4: Simplify right side
    1,507,107,359.51x = 1,742,959,794,066,479,104
  5. Step 5: Solve for x
    x = 1,742,959,794,066,479,104/1,507,107,359.51
  6. Step 6: Final answer
    x = 1,156,493,452.89

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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.