Home / 1,180,982,501.82-1,629,805,364.82-679,191,677.28

Finding the Fourth Proportional to 1,180,982,501.82, 1,629,805,364.82 and 679,191,677.28

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Solution

The fourth proportional to 1,180,982,501.82, 1,629,805,364.82 and 679,191,677.28 is: 937,312,989.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,180,982,501.82 : 1,629,805,364.82 = 679,191,677.28 : x
  2. Step 2: Convert to fraction form
    1,180,982,501.82/1,629,805,364.82 = 679,191,677.28/x
  3. Step 3: Cross multiply
    1,180,982,501.82x = 1,629,805,364.82 × 679,191,677.28
  4. Step 4: Simplify right side
    1,180,982,501.82x = 1,106,950,239,372,038,016
  5. Step 5: Solve for x
    x = 1,106,950,239,372,038,016/1,180,982,501.82
  6. Step 6: Final answer
    x = 937,312,989.54

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Double scale
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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.