Home / 512,249,194.13-768,395,048.83-148,743,550.13

Finding the Fourth Proportional to 512,249,194.13, 768,395,048.83 and 148,743,550.13

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Solution

The fourth proportional to 512,249,194.13, 768,395,048.83 and 148,743,550.13 is: 223,121,497.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    512,249,194.13 : 768,395,048.83 = 148,743,550.13 : x
  2. Step 2: Convert to fraction form
    512,249,194.13/768,395,048.83 = 148,743,550.13/x
  3. Step 3: Cross multiply
    512,249,194.13x = 768,395,048.83 × 148,743,550.13
  4. Step 4: Simplify right side
    512,249,194.13x = 114,293,807,461,075,072
  5. Step 5: Solve for x
    x = 114,293,807,461,075,072/512,249,194.13
  6. Step 6: Final answer
    x = 223,121,497.84

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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.