Home / 710,076,421.70-1,065,114,632.55-327,870,469.70

Finding the Fourth Proportional to 710,076,421.70, 1,065,114,632.55 and 327,870,469.70

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Solution

The fourth proportional to 710,076,421.70, 1,065,114,632.55 and 327,870,469.70 is: 491,805,704.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    710,076,421.70 : 1,065,114,632.55 = 327,870,469.70 : x
  2. Step 2: Convert to fraction form
    710,076,421.70/1,065,114,632.55 = 327,870,469.70/x
  3. Step 3: Cross multiply
    710,076,421.70x = 1,065,114,632.55 × 327,870,469.70
  4. Step 4: Simplify right side
    710,076,421.70x = 349,219,634,858,511,360
  5. Step 5: Solve for x
    x = 349,219,634,858,511,360/710,076,421.70
  6. Step 6: Final answer
    x = 491,805,704.55

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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.