Home / 470,745,480.30-706,118,220.45-147,628,833.90

Finding the Fourth Proportional to 470,745,480.30, 706,118,220.45 and 147,628,833.90

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Solution

The fourth proportional to 470,745,480.30, 706,118,220.45 and 147,628,833.90 is: 221,443,250.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,745,480.30 : 706,118,220.45 = 147,628,833.90 : x
  2. Step 2: Convert to fraction form
    470,745,480.30/706,118,220.45 = 147,628,833.90/x
  3. Step 3: Cross multiply
    470,745,480.30x = 706,118,220.45 × 147,628,833.90
  4. Step 4: Simplify right side
    470,745,480.30x = 104,243,409,480,576,640
  5. Step 5: Solve for x
    x = 104,243,409,480,576,640/470,745,480.30
  6. Step 6: Final answer
    x = 221,443,250.85

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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.