Home / 38,011,417,435.34-52,455,808,005.86-20,630,327,919.02

Finding the Fourth Proportional to 38,011,417,435.34, 52,455,808,005.86 and 20,630,327,919.02

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Solution

The fourth proportional to 38,011,417,435.34, 52,455,808,005.86 and 20,630,327,919.02 is: 28,469,880,720.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,011,417,435.34 : 52,455,808,005.86 = 20,630,327,919.02 : x
  2. Step 2: Convert to fraction form
    38,011,417,435.34/52,455,808,005.86 = 20,630,327,919.02/x
  3. Step 3: Cross multiply
    38,011,417,435.34x = 52,455,808,005.86 × 20,630,327,919.02
  4. Step 4: Simplify right side
    38,011,417,435.34x = 1,082,180,520,418,046,377,984
  5. Step 5: Solve for x
    x = 1,082,180,520,418,046,377,984/38,011,417,435.34
  6. Step 6: Final answer
    x = 28,469,880,720.94

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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.