Home / 683,316,010.80-1,025,148,801.48-198,641,818.80

Finding the Fourth Proportional to 683,316,010.80, 1,025,148,801.48 and 198,641,818.80

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Solution

The fourth proportional to 683,316,010.80, 1,025,148,801.48 and 198,641,818.80 is: 298,013,538.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    683,316,010.80 : 1,025,148,801.48 = 198,641,818.80 : x
  2. Step 2: Convert to fraction form
    683,316,010.80/1,025,148,801.48 = 198,641,818.80/x
  3. Step 3: Cross multiply
    683,316,010.80x = 1,025,148,801.48 × 198,641,818.80
  4. Step 4: Simplify right side
    683,316,010.80x = 203,637,422,466,627,360
  5. Step 5: Solve for x
    x = 203,637,422,466,627,360/683,316,010.80
  6. Step 6: Final answer
    x = 298,013,538.76

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1.5x scale

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.