Home / 735,076,702.60-1,103,890,512.30-390,702,934.60

Finding the Fourth Proportional to 735,076,702.60, 1,103,890,512.30 and 390,702,934.60

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Solution

The fourth proportional to 735,076,702.60, 1,103,890,512.30 and 390,702,934.60 is: 586,732,324.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    735,076,702.60 : 1,103,890,512.30 = 390,702,934.60 : x
  2. Step 2: Convert to fraction form
    735,076,702.60/1,103,890,512.30 = 390,702,934.60/x
  3. Step 3: Cross multiply
    735,076,702.60x = 1,103,890,512.30 × 390,702,934.60
  4. Step 4: Simplify right side
    735,076,702.60x = 431,293,262,632,707,392
  5. Step 5: Solve for x
    x = 431,293,262,632,707,392/735,076,702.60
  6. Step 6: Final answer
    x = 586,732,324.81

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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.