Home / 8,139,128,581.25-11,232,300,569.09-4,880,704,750.10

Finding the Fourth Proportional to 8,139,128,581.25, 11,232,300,569.09 and 4,880,704,750.10

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Solution

The fourth proportional to 8,139,128,581.25, 11,232,300,569.09 and 4,880,704,750.10 is: 6,735,554,328.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,139,128,581.25 : 11,232,300,569.09 = 4,880,704,750.10 : x
  2. Step 2: Convert to fraction form
    8,139,128,581.25/11,232,300,569.09 = 4,880,704,750.10/x
  3. Step 3: Cross multiply
    8,139,128,581.25x = 11,232,300,569.09 × 4,880,704,750.10
  4. Step 4: Simplify right side
    8,139,128,581.25x = 54,821,542,742,066,978,816
  5. Step 5: Solve for x
    x = 54,821,542,742,066,978,816/8,139,128,581.25
  6. Step 6: Final answer
    x = 6,735,554,328.06

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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.