Home / 648,616,150.75-973,090,135.21-188,554,320.06

Finding the Fourth Proportional to 648,616,150.75, 973,090,135.21 and 188,554,320.06

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Solution

The fourth proportional to 648,616,150.75, 973,090,135.21 and 188,554,320.06 is: 282,879,710.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,616,150.75 : 973,090,135.21 = 188,554,320.06 : x
  2. Step 2: Convert to fraction form
    648,616,150.75/973,090,135.21 = 188,554,320.06/x
  3. Step 3: Cross multiply
    648,616,150.75x = 973,090,135.21 × 188,554,320.06
  4. Step 4: Simplify right side
    648,616,150.75x = 183,480,348,803,327,520
  5. Step 5: Solve for x
    x = 183,480,348,803,327,520/648,616,150.75
  6. Step 6: Final answer
    x = 282,879,710.27

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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.