Home / 1,360,132,949.60-2,040,199,424.40-815,937,365.60

Finding the Fourth Proportional to 1,360,132,949.60, 2,040,199,424.40 and 815,937,365.60

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Solution

The fourth proportional to 1,360,132,949.60, 2,040,199,424.40 and 815,937,365.60 is: 1,223,906,048.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,360,132,949.60 : 2,040,199,424.40 = 815,937,365.60 : x
  2. Step 2: Convert to fraction form
    1,360,132,949.60/2,040,199,424.40 = 815,937,365.60/x
  3. Step 3: Cross multiply
    1,360,132,949.60x = 2,040,199,424.40 × 815,937,365.60
  4. Step 4: Simplify right side
    1,360,132,949.60x = 1,664,674,943,643,572,480
  5. Step 5: Solve for x
    x = 1,664,674,943,643,572,480/1,360,132,949.60
  6. Step 6: Final answer
    x = 1,223,906,048.40

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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.