Home / 1,678,464,051.40-2,517,696,077.10-1,646,215,424.20

Finding the Fourth Proportional to 1,678,464,051.40, 2,517,696,077.10 and 1,646,215,424.20

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Solution

The fourth proportional to 1,678,464,051.40, 2,517,696,077.10 and 1,646,215,424.20 is: 2,469,323,136.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,678,464,051.40 : 2,517,696,077.10 = 1,646,215,424.20 : x
  2. Step 2: Convert to fraction form
    1,678,464,051.40/2,517,696,077.10 = 1,646,215,424.20/x
  3. Step 3: Cross multiply
    1,678,464,051.40x = 2,517,696,077.10 × 1,646,215,424.20
  4. Step 4: Simplify right side
    1,678,464,051.40x = 4,144,670,115,569,852,416
  5. Step 5: Solve for x
    x = 4,144,670,115,569,852,416/1,678,464,051.40
  6. Step 6: Final answer
    x = 2,469,323,136.30

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Double scale
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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.