Home / 680,207,133.12-1,020,472,603.20-220,145,303.04

Finding the Fourth Proportional to 680,207,133.12, 1,020,472,603.20 and 220,145,303.04

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Solution

The fourth proportional to 680,207,133.12, 1,020,472,603.20 and 220,145,303.04 is: 330,270,353.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    680,207,133.12 : 1,020,472,603.20 = 220,145,303.04 : x
  2. Step 2: Convert to fraction form
    680,207,133.12/1,020,472,603.20 = 220,145,303.04/x
  3. Step 3: Cross multiply
    680,207,133.12x = 1,020,472,603.20 × 220,145,303.04
  4. Step 4: Simplify right side
    680,207,133.12x = 224,652,250,475,481,664
  5. Step 5: Solve for x
    x = 224,652,250,475,481,664/680,207,133.12
  6. Step 6: Final answer
    x = 330,270,353.75

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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.