Home / 968,685,290.30-1,453,258,872.12-313,636,513.77

Finding the Fourth Proportional to 968,685,290.30, 1,453,258,872.12 and 313,636,513.77

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Solution

The fourth proportional to 968,685,290.30, 1,453,258,872.12 and 313,636,513.77 is: 470,529,542.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    968,685,290.30 : 1,453,258,872.12 = 313,636,513.77 : x
  2. Step 2: Convert to fraction form
    968,685,290.30/1,453,258,872.12 = 313,636,513.77/x
  3. Step 3: Cross multiply
    968,685,290.30x = 1,453,258,872.12 × 313,636,513.77
  4. Step 4: Simplify right side
    968,685,290.30x = 455,795,046,257,038,976
  5. Step 5: Solve for x
    x = 455,795,046,257,038,976/968,685,290.30
  6. Step 6: Final answer
    x = 470,529,542.28

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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.