Home / 38,011,417,433.08-52,455,808,002.81-20,630,327,916.82

Finding the Fourth Proportional to 38,011,417,433.08, 52,455,808,002.81 and 20,630,327,916.82

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Solution

The fourth proportional to 38,011,417,433.08, 52,455,808,002.81 and 20,630,327,916.82 is: 28,469,880,717.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,011,417,433.08 : 52,455,808,002.81 = 20,630,327,916.82 : x
  2. Step 2: Convert to fraction form
    38,011,417,433.08/52,455,808,002.81 = 20,630,327,916.82/x
  3. Step 3: Cross multiply
    38,011,417,433.08x = 52,455,808,002.81 × 20,630,327,916.82
  4. Step 4: Simplify right side
    38,011,417,433.08x = 1,082,180,520,239,721,086,976
  5. Step 5: Solve for x
    x = 1,082,180,520,239,721,086,976/38,011,417,433.08
  6. Step 6: Final answer
    x = 28,469,880,717.94

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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.