Home / 713,016,003.60-1,071,224,616.60-638,189,110.80

Finding the Fourth Proportional to 713,016,003.60, 1,071,224,616.60 and 638,189,110.80

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Solution

The fourth proportional to 713,016,003.60, 1,071,224,616.60 and 638,189,110.80 is: 958,805,808.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    713,016,003.60 : 1,071,224,616.60 = 638,189,110.80 : x
  2. Step 2: Convert to fraction form
    713,016,003.60/1,071,224,616.60 = 638,189,110.80/x
  3. Step 3: Cross multiply
    713,016,003.60x = 1,071,224,616.60 × 638,189,110.80
  4. Step 4: Simplify right side
    713,016,003.60x = 683,643,885,535,024,896
  5. Step 5: Solve for x
    x = 683,643,885,535,024,896/713,016,003.60
  6. Step 6: Final answer
    x = 958,805,808.12

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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.