Home / 865,204,702.44-1,297,807,068.65-210,151,314.70

Finding the Fourth Proportional to 865,204,702.44, 1,297,807,068.65 and 210,151,314.70

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Solution

The fourth proportional to 865,204,702.44, 1,297,807,068.65 and 210,151,314.70 is: 315,226,975.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    865,204,702.44 : 1,297,807,068.65 = 210,151,314.70 : x
  2. Step 2: Convert to fraction form
    865,204,702.44/1,297,807,068.65 = 210,151,314.70/x
  3. Step 3: Cross multiply
    865,204,702.44x = 1,297,807,068.65 × 210,151,314.70
  4. Step 4: Simplify right side
    865,204,702.44x = 272,735,861,697,261,632
  5. Step 5: Solve for x
    x = 272,735,861,697,261,632/865,204,702.44
  6. Step 6: Final answer
    x = 315,226,975.68

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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.