Home / 685,317,121,071.66-945,746,196,964.06-376,702,174,525.72

Finding the Fourth Proportional to 685,317,121,071.66, 945,746,196,964.06 and 376,702,174,525.72

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Solution

The fourth proportional to 685,317,121,071.66, 945,746,196,964.06 and 376,702,174,525.72 is: 519,853,711,503.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    685,317,121,071.66 : 945,746,196,964.06 = 376,702,174,525.72 : x
  2. Step 2: Convert to fraction form
    685,317,121,071.66/945,746,196,964.06 = 376,702,174,525.72/x
  3. Step 3: Cross multiply
    685,317,121,071.66x = 945,746,196,964.06 × 376,702,174,525.72
  4. Step 4: Simplify right side
    685,317,121,071.66x = 356,264,648,945,791,257,280,512
  5. Step 5: Solve for x
    x = 356,264,648,945,791,257,280,512/685,317,121,071.66
  6. Step 6: Final answer
    x = 519,853,711,503.20

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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.