Home / 38,011,417,434.34-52,455,808,004.48-20,630,327,918.02

Finding the Fourth Proportional to 38,011,417,434.34, 52,455,808,004.48 and 20,630,327,918.02

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Solution

The fourth proportional to 38,011,417,434.34, 52,455,808,004.48 and 20,630,327,918.02 is: 28,469,880,719.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,011,417,434.34 : 52,455,808,004.48 = 20,630,327,918.02 : x
  2. Step 2: Convert to fraction form
    38,011,417,434.34/52,455,808,004.48 = 20,630,327,918.02/x
  3. Step 3: Cross multiply
    38,011,417,434.34x = 52,455,808,004.48 × 20,630,327,918.02
  4. Step 4: Simplify right side
    38,011,417,434.34x = 1,082,180,520,337,120,821,248
  5. Step 5: Solve for x
    x = 1,082,180,520,337,120,821,248/38,011,417,434.34
  6. Step 6: Final answer
    x = 28,469,880,719.56

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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.