Home / 680,238,047.70-1,020,357,071.55-220,222,718.10

Finding the Fourth Proportional to 680,238,047.70, 1,020,357,071.55 and 220,222,718.10

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Solution

The fourth proportional to 680,238,047.70, 1,020,357,071.55 and 220,222,718.10 is: 330,334,077.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    680,238,047.70 : 1,020,357,071.55 = 220,222,718.10 : x
  2. Step 2: Convert to fraction form
    680,238,047.70/1,020,357,071.55 = 220,222,718.10/x
  3. Step 3: Cross multiply
    680,238,047.70x = 1,020,357,071.55 × 220,222,718.10
  4. Step 4: Simplify right side
    680,238,047.70x = 224,705,807,729,297,152
  5. Step 5: Solve for x
    x = 224,705,807,729,297,152/680,238,047.70
  6. Step 6: Final answer
    x = 330,334,077.15

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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.