Home / 1,357,149,230.51-1,873,017,590.69-821,595,977.48

Finding the Fourth Proportional to 1,357,149,230.51, 1,873,017,590.69 and 821,595,977.48

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Solution

The fourth proportional to 1,357,149,230.51, 1,873,017,590.69 and 821,595,977.48 is: 1,133,894,256.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,357,149,230.51 : 1,873,017,590.69 = 821,595,977.48 : x
  2. Step 2: Convert to fraction form
    1,357,149,230.51/1,873,017,590.69 = 821,595,977.48/x
  3. Step 3: Cross multiply
    1,357,149,230.51x = 1,873,017,590.69 × 821,595,977.48
  4. Step 4: Simplify right side
    1,357,149,230.51x = 1,538,863,718,266,921,728
  5. Step 5: Solve for x
    x = 1,538,863,718,266,921,728/1,357,149,230.51
  6. Step 6: Final answer
    x = 1,133,894,256.93

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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.