Home / 1,371,540,640.10-1,892,724,642.96-745,009,558.07

Finding the Fourth Proportional to 1,371,540,640.10, 1,892,724,642.96 and 745,009,558.07

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Solution

The fourth proportional to 1,371,540,640.10, 1,892,724,642.96 and 745,009,558.07 is: 1,028,112,407.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,371,540,640.10 : 1,892,724,642.96 = 745,009,558.07 : x
  2. Step 2: Convert to fraction form
    1,371,540,640.10/1,892,724,642.96 = 745,009,558.07/x
  3. Step 3: Cross multiply
    1,371,540,640.10x = 1,892,724,642.96 × 745,009,558.07
  4. Step 4: Simplify right side
    1,371,540,640.10x = 1,410,097,949,799,828,224
  5. Step 5: Solve for x
    x = 1,410,097,949,799,828,224/1,371,540,640.10
  6. Step 6: Final answer
    x = 1,028,112,407.74

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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.