Home / 680,160,400.70-1,020,240,601.05-220,145,071.10

Finding the Fourth Proportional to 680,160,400.70, 1,020,240,601.05 and 220,145,071.10

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Solution

The fourth proportional to 680,160,400.70, 1,020,240,601.05 and 220,145,071.10 is: 330,217,606.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    680,160,400.70 : 1,020,240,601.05 = 220,145,071.10 : x
  2. Step 2: Convert to fraction form
    680,160,400.70/1,020,240,601.05 = 220,145,071.10/x
  3. Step 3: Cross multiply
    680,160,400.70x = 1,020,240,601.05 × 220,145,071.10
  4. Step 4: Simplify right side
    680,160,400.70x = 224,600,939,657,258,976
  5. Step 5: Solve for x
    x = 224,600,939,657,258,976/680,160,400.70
  6. Step 6: Final answer
    x = 330,217,606.65

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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.