Home / 1,116,438,698.40-1,674,658,047.60-461,171,945.40

Finding the Fourth Proportional to 1,116,438,698.40, 1,674,658,047.60 and 461,171,945.40

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Solution

The fourth proportional to 1,116,438,698.40, 1,674,658,047.60 and 461,171,945.40 is: 691,757,918.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,116,438,698.40 : 1,674,658,047.60 = 461,171,945.40 : x
  2. Step 2: Convert to fraction form
    1,116,438,698.40/1,674,658,047.60 = 461,171,945.40/x
  3. Step 3: Cross multiply
    1,116,438,698.40x = 1,674,658,047.60 × 461,171,945.40
  4. Step 4: Simplify right side
    1,116,438,698.40x = 772,305,309,691,457,664
  5. Step 5: Solve for x
    x = 772,305,309,691,457,664/1,116,438,698.40
  6. Step 6: Final answer
    x = 691,757,918.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.