Home / 486,563,263.76-670,919,084.52-310,071,495.44

Finding the Fourth Proportional to 486,563,263.76, 670,919,084.52 and 310,071,495.44

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Solution

The fourth proportional to 486,563,263.76, 670,919,084.52 and 310,071,495.44 is: 427,555,673.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,563,263.76 : 670,919,084.52 = 310,071,495.44 : x
  2. Step 2: Convert to fraction form
    486,563,263.76/670,919,084.52 = 310,071,495.44/x
  3. Step 3: Cross multiply
    486,563,263.76x = 670,919,084.52 × 310,071,495.44
  4. Step 4: Simplify right side
    486,563,263.76x = 208,032,883,856,352,160
  5. Step 5: Solve for x
    x = 208,032,883,856,352,160/486,563,263.76
  6. Step 6: Final answer
    x = 427,555,673.33

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.