Home / 85,842,638,826.32-118,462,847,276.04-47,780,028,981.20

Finding the Fourth Proportional to 85,842,638,826.32, 118,462,847,276.04 and 47,780,028,981.20

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Solution

The fourth proportional to 85,842,638,826.32, 118,462,847,276.04 and 47,780,028,981.20 is: 65,936,443,164.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,842,638,826.32 : 118,462,847,276.04 = 47,780,028,981.20 : x
  2. Step 2: Convert to fraction form
    85,842,638,826.32/118,462,847,276.04 = 47,780,028,981.20/x
  3. Step 3: Cross multiply
    85,842,638,826.32x = 118,462,847,276.04 × 47,780,028,981.20
  4. Step 4: Simplify right side
    85,842,638,826.32x = 5,660,158,276,044,660,408,320
  5. Step 5: Solve for x
    x = 5,660,158,276,044,660,408,320/85,842,638,826.32
  6. Step 6: Final answer
    x = 65,936,443,164.29

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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.