Home / 1,003,106,020.05-1,384,248,383.64-557,098,113.48

Finding the Fourth Proportional to 1,003,106,020.05, 1,384,248,383.64 and 557,098,113.48

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Solution

The fourth proportional to 1,003,106,020.05, 1,384,248,383.64 and 557,098,113.48 is: 768,774,334.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,003,106,020.05 : 1,384,248,383.64 = 557,098,113.48 : x
  2. Step 2: Convert to fraction form
    1,003,106,020.05/1,384,248,383.64 = 557,098,113.48/x
  3. Step 3: Cross multiply
    1,003,106,020.05x = 1,384,248,383.64 × 557,098,113.48
  4. Step 4: Simplify right side
    1,003,106,020.05x = 771,162,163,113,583,360
  5. Step 5: Solve for x
    x = 771,162,163,113,583,360/1,003,106,020.05
  6. Step 6: Final answer
    x = 768,774,334.62

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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.