Home / 735,076,704.60-1,103,890,515.30-390,702,936.60

Finding the Fourth Proportional to 735,076,704.60, 1,103,890,515.30 and 390,702,936.60

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Solution

The fourth proportional to 735,076,704.60, 1,103,890,515.30 and 390,702,936.60 is: 586,732,327.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    735,076,704.60 : 1,103,890,515.30 = 390,702,936.60 : x
  2. Step 2: Convert to fraction form
    735,076,704.60/1,103,890,515.30 = 390,702,936.60/x
  3. Step 3: Cross multiply
    735,076,704.60x = 1,103,890,515.30 × 390,702,936.60
  4. Step 4: Simplify right side
    735,076,704.60x = 431,293,266,012,597,248
  5. Step 5: Solve for x
    x = 431,293,266,012,597,248/735,076,704.60
  6. Step 6: Final answer
    x = 586,732,327.82

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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.