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Finding the Fourth Proportional to 282,893,752.80, 424,340,629.20 and 248,881,528.80

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Solution

The fourth proportional to 282,893,752.80, 424,340,629.20 and 248,881,528.80 is: 373,322,293.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,893,752.80 : 424,340,629.20 = 248,881,528.80 : x
  2. Step 2: Convert to fraction form
    282,893,752.80/424,340,629.20 = 248,881,528.80/x
  3. Step 3: Cross multiply
    282,893,752.80x = 424,340,629.20 × 248,881,528.80
  4. Step 4: Simplify right side
    282,893,752.80x = 105,610,544,527,249,920
  5. Step 5: Solve for x
    x = 105,610,544,527,249,920/282,893,752.80
  6. Step 6: Final answer
    x = 373,322,293.20

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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.