Home / 1,297,323,958.23-1,946,236,305.11-423,690,460.29

Finding the Fourth Proportional to 1,297,323,958.23, 1,946,236,305.11 and 423,690,460.29

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Solution

The fourth proportional to 1,297,323,958.23, 1,946,236,305.11 and 423,690,460.29 is: 635,617,457.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,297,323,958.23 : 1,946,236,305.11 = 423,690,460.29 : x
  2. Step 2: Convert to fraction form
    1,297,323,958.23/1,946,236,305.11 = 423,690,460.29/x
  3. Step 3: Cross multiply
    1,297,323,958.23x = 1,946,236,305.11 × 423,690,460.29
  4. Step 4: Simplify right side
    1,297,323,958.23x = 824,601,755,943,046,400
  5. Step 5: Solve for x
    x = 824,601,755,943,046,400/1,297,323,958.23
  6. Step 6: Final answer
    x = 635,617,457.55

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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.