Home / 1,168,123,510.96-1,612,010,476.92-646,602,742.96

Finding the Fourth Proportional to 1,168,123,510.96, 1,612,010,476.92 and 646,602,742.96

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Solution

The fourth proportional to 1,168,123,510.96, 1,612,010,476.92 and 646,602,742.96 is: 892,311,802.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,168,123,510.96 : 1,612,010,476.92 = 646,602,742.96 : x
  2. Step 2: Convert to fraction form
    1,168,123,510.96/1,612,010,476.92 = 646,602,742.96/x
  3. Step 3: Cross multiply
    1,168,123,510.96x = 1,612,010,476.92 × 646,602,742.96
  4. Step 4: Simplify right side
    1,168,123,510.96x = 1,042,330,396,056,729,856
  5. Step 5: Solve for x
    x = 1,042,330,396,056,729,856/1,168,123,510.96
  6. Step 6: Final answer
    x = 892,311,802.88

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.