Home / 667,340,070.70-1,001,010,106.05-380,685,606.70

Finding the Fourth Proportional to 667,340,070.70, 1,001,010,106.05 and 380,685,606.70

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Solution

The fourth proportional to 667,340,070.70, 1,001,010,106.05 and 380,685,606.70 is: 571,028,410.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    667,340,070.70 : 1,001,010,106.05 = 380,685,606.70 : x
  2. Step 2: Convert to fraction form
    667,340,070.70/1,001,010,106.05 = 380,685,606.70/x
  3. Step 3: Cross multiply
    667,340,070.70x = 1,001,010,106.05 × 380,685,606.70
  4. Step 4: Simplify right side
    667,340,070.70x = 381,070,139,534,475,584
  5. Step 5: Solve for x
    x = 381,070,139,534,475,584/667,340,070.70
  6. Step 6: Final answer
    x = 571,028,410.05

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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.