Home / 663,968,011.34-916,280,285.29-362,555,415.59

Finding the Fourth Proportional to 663,968,011.34, 916,280,285.29 and 362,555,415.59

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Solution

The fourth proportional to 663,968,011.34, 916,280,285.29 and 362,555,415.59 is: 500,328,892.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    663,968,011.34 : 916,280,285.29 = 362,555,415.59 : x
  2. Step 2: Convert to fraction form
    663,968,011.34/916,280,285.29 = 362,555,415.59/x
  3. Step 3: Cross multiply
    663,968,011.34x = 916,280,285.29 × 362,555,415.59
  4. Step 4: Simplify right side
    663,968,011.34x = 332,202,379,624,744,640
  5. Step 5: Solve for x
    x = 332,202,379,624,744,640/663,968,011.34
  6. Step 6: Final answer
    x = 500,328,892.28

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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.