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Finding the Fourth Proportional to 2,640,398,208,045.30, 3,960,597,312,068 and 2,640,398,208,045.30

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Solution

The fourth proportional to 2,640,398,208,045.30, 3,960,597,312,068 and 2,640,398,208,045.30 is: 3,960,597,312,068

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,640,398,208,045.30 : 3,960,597,312,068 = 2,640,398,208,045.30 : x
  2. Step 2: Convert to fraction form
    2,640,398,208,045.30/3,960,597,312,068 = 2,640,398,208,045.30/x
  3. Step 3: Cross multiply
    2,640,398,208,045.30x = 3,960,597,312,068 × 2,640,398,208,045.30
  4. Step 4: Simplify right side
    2,640,398,208,045.30x = 10,457,554,045,573,378,487,615,488
  5. Step 5: Solve for x
    x = 10,457,554,045,573,378,487,615,488/2,640,398,208,045.30
  6. Step 6: Final answer
    x = 3,960,597,312,068

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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.