Home / 1,166,921,420.06-1,610,356,411.44-631,073,085.01

Finding the Fourth Proportional to 1,166,921,420.06, 1,610,356,411.44 and 631,073,085.01

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Solution

The fourth proportional to 1,166,921,420.06, 1,610,356,411.44 and 631,073,085.01 is: 870,883,481.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,166,921,420.06 : 1,610,356,411.44 = 631,073,085.01 : x
  2. Step 2: Convert to fraction form
    1,166,921,420.06/1,610,356,411.44 = 631,073,085.01/x
  3. Step 3: Cross multiply
    1,166,921,420.06x = 1,610,356,411.44 × 631,073,085.01
  4. Step 4: Simplify right side
    1,166,921,420.06x = 1,016,252,588,529,047,936
  5. Step 5: Solve for x
    x = 1,016,252,588,529,047,936/1,166,921,420.06
  6. Step 6: Final answer
    x = 870,883,481.15

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Double scale
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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.