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Finding the Fourth Proportional to 1,266,912,042.40, 1,776,095,506.40 and 1,266,912,042.40

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Solution

The fourth proportional to 1,266,912,042.40, 1,776,095,506.40 and 1,266,912,042.40 is: 1,776,095,506.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,266,912,042.40 : 1,776,095,506.40 = 1,266,912,042.40 : x
  2. Step 2: Convert to fraction form
    1,266,912,042.40/1,776,095,506.40 = 1,266,912,042.40/x
  3. Step 3: Cross multiply
    1,266,912,042.40x = 1,776,095,506.40 × 1,266,912,042.40
  4. Step 4: Simplify right side
    1,266,912,042.40x = 2,250,156,785,510,686,464
  5. Step 5: Solve for x
    x = 2,250,156,785,510,686,464/1,266,912,042.40
  6. Step 6: Final answer
    x = 1,776,095,506.40

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.