Home / 554,404,870.80-831,607,306.20-282,307,078.80

Finding the Fourth Proportional to 554,404,870.80, 831,607,306.20 and 282,307,078.80

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Solution

The fourth proportional to 554,404,870.80, 831,607,306.20 and 282,307,078.80 is: 423,460,618.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,404,870.80 : 831,607,306.20 = 282,307,078.80 : x
  2. Step 2: Convert to fraction form
    554,404,870.80/831,607,306.20 = 282,307,078.80/x
  3. Step 3: Cross multiply
    554,404,870.80x = 831,607,306.20 × 282,307,078.80
  4. Step 4: Simplify right side
    554,404,870.80x = 234,768,629,322,059,136
  5. Step 5: Solve for x
    x = 234,768,629,322,059,136/554,404,870.80
  6. Step 6: Final answer
    x = 423,460,618.20

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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.