Home / 1,371,540,588.39-1,892,724,572.03-745,009,507.17

Finding the Fourth Proportional to 1,371,540,588.39, 1,892,724,572.03 and 745,009,507.17

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Solution

The fourth proportional to 1,371,540,588.39, 1,892,724,572.03 and 745,009,507.17 is: 1,028,112,337.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,371,540,588.39 : 1,892,724,572.03 = 745,009,507.17 : x
  2. Step 2: Convert to fraction form
    1,371,540,588.39/1,892,724,572.03 = 745,009,507.17/x
  3. Step 3: Cross multiply
    1,371,540,588.39x = 1,892,724,572.03 × 745,009,507.17
  4. Step 4: Simplify right side
    1,371,540,588.39x = 1,410,097,800,612,894,464
  5. Step 5: Solve for x
    x = 1,410,097,800,612,894,464/1,371,540,588.39
  6. Step 6: Final answer
    x = 1,028,112,337.72

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Half scale
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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.