Home / 387,091,751.40-580,637,627.10-347,676,762.60

Finding the Fourth Proportional to 387,091,751.40, 580,637,627.10 and 347,676,762.60

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Solution

The fourth proportional to 387,091,751.40, 580,637,627.10 and 347,676,762.60 is: 521,515,143.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    387,091,751.40 : 580,637,627.10 = 347,676,762.60 : x
  2. Step 2: Convert to fraction form
    387,091,751.40/580,637,627.10 = 347,676,762.60/x
  3. Step 3: Cross multiply
    387,091,751.40x = 580,637,627.10 × 347,676,762.60
  4. Step 4: Simplify right side
    387,091,751.40x = 201,874,210,433,874,048
  5. Step 5: Solve for x
    x = 201,874,210,433,874,048/387,091,751.40
  6. Step 6: Final answer
    x = 521,515,143.90

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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.