Home / 470,429,498,852.85-705,644,209,362.52-130,468,672,505.16

Finding the Fourth Proportional to 470,429,498,852.85, 705,644,209,362.52 and 130,468,672,505.16

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Solution

The fourth proportional to 470,429,498,852.85, 705,644,209,362.52 and 130,468,672,505.16 is: 195,702,997,964.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,429,498,852.85 : 705,644,209,362.52 = 130,468,672,505.16 : x
  2. Step 2: Convert to fraction form
    470,429,498,852.85/705,644,209,362.52 = 130,468,672,505.16/x
  3. Step 3: Cross multiply
    470,429,498,852.85x = 705,644,209,362.52 × 130,468,672,505.16
  4. Step 4: Simplify right side
    470,429,498,852.85x = 92,064,463,256,481,177,796,608
  5. Step 5: Solve for x
    x = 92,064,463,256,481,177,796,608/470,429,498,852.85
  6. Step 6: Final answer
    x = 195,702,997,964.59

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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.