Home / 1,444,871,669.10-1,994,088,313.89-809,963,643.21

Finding the Fourth Proportional to 1,444,871,669.10, 1,994,088,313.89 and 809,963,643.21

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Solution

The fourth proportional to 1,444,871,669.10, 1,994,088,313.89 and 809,963,643.21 is: 1,117,842,553.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,444,871,669.10 : 1,994,088,313.89 = 809,963,643.21 : x
  2. Step 2: Convert to fraction form
    1,444,871,669.10/1,994,088,313.89 = 809,963,643.21/x
  3. Step 3: Cross multiply
    1,444,871,669.10x = 1,994,088,313.89 × 809,963,643.21
  4. Step 4: Simplify right side
    1,444,871,669.10x = 1,615,139,035,600,830,720
  5. Step 5: Solve for x
    x = 1,615,139,035,600,830,720/1,444,871,669.10
  6. Step 6: Final answer
    x = 1,117,842,553.18

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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.