Home / 453,470,015.45-680,312,968.13-146,762,128.33

Finding the Fourth Proportional to 453,470,015.45, 680,312,968.13 and 146,762,128.33

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Solution

The fourth proportional to 453,470,015.45, 680,312,968.13 and 146,762,128.33 is: 220,178,128.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,470,015.45 : 680,312,968.13 = 146,762,128.33 : x
  2. Step 2: Convert to fraction form
    453,470,015.45/680,312,968.13 = 146,762,128.33/x
  3. Step 3: Cross multiply
    453,470,015.45x = 680,312,968.13 × 146,762,128.33
  4. Step 4: Simplify right side
    453,470,015.45x = 99,844,179,131,924,384
  5. Step 5: Solve for x
    x = 99,844,179,131,924,384/453,470,015.45
  6. Step 6: Final answer
    x = 220,178,128.06

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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.