Home / 1,028,362,403.88-1,542,342,746.88-328,666,851.18

Finding the Fourth Proportional to 1,028,362,403.88, 1,542,342,746.88 and 328,666,851.18

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Solution

The fourth proportional to 1,028,362,403.88, 1,542,342,746.88 and 328,666,851.18 is: 492,936,081.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,028,362,403.88 : 1,542,342,746.88 = 328,666,851.18 : x
  2. Step 2: Convert to fraction form
    1,028,362,403.88/1,542,342,746.88 = 328,666,851.18/x
  3. Step 3: Cross multiply
    1,028,362,403.88x = 1,542,342,746.88 × 328,666,851.18
  4. Step 4: Simplify right side
    1,028,362,403.88x = 506,916,934,057,361,408
  5. Step 5: Solve for x
    x = 506,916,934,057,361,408/1,028,362,403.88
  6. Step 6: Final answer
    x = 492,936,081.82

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.