Home / 65,820,043,490.40-98,730,065,235.60-45,984,114,453.60

Finding the Fourth Proportional to 65,820,043,490.40, 98,730,065,235.60 and 45,984,114,453.60

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Solution

The fourth proportional to 65,820,043,490.40, 98,730,065,235.60 and 45,984,114,453.60 is: 68,976,171,680.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,820,043,490.40 : 98,730,065,235.60 = 45,984,114,453.60 : x
  2. Step 2: Convert to fraction form
    65,820,043,490.40/98,730,065,235.60 = 45,984,114,453.60/x
  3. Step 3: Cross multiply
    65,820,043,490.40x = 98,730,065,235.60 × 45,984,114,453.60
  4. Step 4: Simplify right side
    65,820,043,490.40x = 4,540,014,619,805,225,058,304
  5. Step 5: Solve for x
    x = 4,540,014,619,805,225,058,304/65,820,043,490.40
  6. Step 6: Final answer
    x = 68,976,171,680.40

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Double scale
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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.