Home / 21,831,805,393.60-30,127,891,209.88-11,807,300,240.70

Finding the Fourth Proportional to 21,831,805,393.60, 30,127,891,209.88 and 11,807,300,240.70

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Solution

The fourth proportional to 21,831,805,393.60, 30,127,891,209.88 and 11,807,300,240.70 is: 16,294,074,206.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,831,805,393.60 : 30,127,891,209.88 = 11,807,300,240.70 : x
  2. Step 2: Convert to fraction form
    21,831,805,393.60/30,127,891,209.88 = 11,807,300,240.70/x
  3. Step 3: Cross multiply
    21,831,805,393.60x = 30,127,891,209.88 × 11,807,300,240.70
  4. Step 4: Simplify right side
    21,831,805,393.60x = 355,729,057,134,199,570,432
  5. Step 5: Solve for x
    x = 355,729,057,134,199,570,432/21,831,805,393.60
  6. Step 6: Final answer
    x = 16,294,074,206.00

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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.