Home / 343,722,931,748.76-474,316,273,383.03-189,389,974,631.57

Finding the Fourth Proportional to 343,722,931,748.76, 474,316,273,383.03 and 189,389,974,631.57

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Solution

The fourth proportional to 343,722,931,748.76, 474,316,273,383.03 and 189,389,974,631.57 is: 261,346,388,867.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,722,931,748.76 : 474,316,273,383.03 = 189,389,974,631.57 : x
  2. Step 2: Convert to fraction form
    343,722,931,748.76/474,316,273,383.03 = 189,389,974,631.57/x
  3. Step 3: Cross multiply
    343,722,931,748.76x = 474,316,273,383.03 × 189,389,974,631.57
  4. Step 4: Simplify right side
    343,722,931,748.76x = 89,830,746,983,352,873,517,056
  5. Step 5: Solve for x
    x = 89,830,746,983,352,873,517,056/343,722,931,748.76
  6. Step 6: Final answer
    x = 261,346,388,867.11

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Double scale
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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.