Home / 1,262,833,867.32-1,742,722,013.01-698,356,944.72

Finding the Fourth Proportional to 1,262,833,867.32, 1,742,722,013.01 and 698,356,944.72

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Solution

The fourth proportional to 1,262,833,867.32, 1,742,722,013.01 and 698,356,944.72 is: 963,738,819.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,262,833,867.32 : 1,742,722,013.01 = 698,356,944.72 : x
  2. Step 2: Convert to fraction form
    1,262,833,867.32/1,742,722,013.01 = 698,356,944.72/x
  3. Step 3: Cross multiply
    1,262,833,867.32x = 1,742,722,013.01 × 698,356,944.72
  4. Step 4: Simplify right side
    1,262,833,867.32x = 1,217,042,020,501,951,744
  5. Step 5: Solve for x
    x = 1,217,042,020,501,951,744/1,262,833,867.32
  6. Step 6: Final answer
    x = 963,738,819.49

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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.