Home / 1,210,616,557.92-1,809,291,700.65-883,780,313.76

Finding the Fourth Proportional to 1,210,616,557.92, 1,809,291,700.65 and 883,780,313.76

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Solution

The fourth proportional to 1,210,616,557.92, 1,809,291,700.65 and 883,780,313.76 is: 1,320,828,115.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,210,616,557.92 : 1,809,291,700.65 = 883,780,313.76 : x
  2. Step 2: Convert to fraction form
    1,210,616,557.92/1,809,291,700.65 = 883,780,313.76/x
  3. Step 3: Cross multiply
    1,210,616,557.92x = 1,809,291,700.65 × 883,780,313.76
  4. Step 4: Simplify right side
    1,210,616,557.92x = 1,599,016,386,883,821,056
  5. Step 5: Solve for x
    x = 1,599,016,386,883,821,056/1,210,616,557.92
  6. Step 6: Final answer
    x = 1,320,828,115.58

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.