Home / 458,641,348.02-632,886,181.47-257,682,488.94

Finding the Fourth Proportional to 458,641,348.02, 632,886,181.47 and 257,682,488.94

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Solution

The fourth proportional to 458,641,348.02, 632,886,181.47 and 257,682,488.94 is: 355,579,991.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,641,348.02 : 632,886,181.47 = 257,682,488.94 : x
  2. Step 2: Convert to fraction form
    458,641,348.02/632,886,181.47 = 257,682,488.94/x
  3. Step 3: Cross multiply
    458,641,348.02x = 632,886,181.47 × 257,682,488.94
  4. Step 4: Simplify right side
    458,641,348.02x = 163,083,686,456,922,112
  5. Step 5: Solve for x
    x = 163,083,686,456,922,112/458,641,348.02
  6. Step 6: Final answer
    x = 355,579,991.12

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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.