Home / 810,273,111.54-1,117,559,958.55-697,434,652.09

Finding the Fourth Proportional to 810,273,111.54, 1,117,559,958.55 and 697,434,652.09

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Solution

The fourth proportional to 810,273,111.54, 1,117,559,958.55 and 697,434,652.09 is: 961,928,798.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    810,273,111.54 : 1,117,559,958.55 = 697,434,652.09 : x
  2. Step 2: Convert to fraction form
    810,273,111.54/1,117,559,958.55 = 697,434,652.09/x
  3. Step 3: Cross multiply
    810,273,111.54x = 1,117,559,958.55 × 697,434,652.09
  4. Step 4: Simplify right side
    810,273,111.54x = 779,425,040,881,034,112
  5. Step 5: Solve for x
    x = 779,425,040,881,034,112/810,273,111.54
  6. Step 6: Final answer
    x = 961,928,798.80

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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.