Home / 1,166,921,416.51-1,610,356,406.56-631,073,081.46

Finding the Fourth Proportional to 1,166,921,416.51, 1,610,356,406.56 and 631,073,081.46

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Solution

The fourth proportional to 1,166,921,416.51, 1,610,356,406.56 and 631,073,081.46 is: 870,883,476.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,166,921,416.51 : 1,610,356,406.56 = 631,073,081.46 : x
  2. Step 2: Convert to fraction form
    1,166,921,416.51/1,610,356,406.56 = 631,073,081.46/x
  3. Step 3: Cross multiply
    1,166,921,416.51x = 1,610,356,406.56 × 631,073,081.46
  4. Step 4: Simplify right side
    1,166,921,416.51x = 1,016,252,579,741,132,800
  5. Step 5: Solve for x
    x = 1,016,252,579,741,132,800/1,166,921,416.51
  6. Step 6: Final answer
    x = 870,883,476.27

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Double scale
Find fourth proportional to 1,166,921,417.51, 1,610,356,407.94 and 631,073,082.46
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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.