Home / 712,610,200.05-983,052,618.87-618,392,107.73

Finding the Fourth Proportional to 712,610,200.05, 983,052,618.87 and 618,392,107.73

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Solution

The fourth proportional to 712,610,200.05, 983,052,618.87 and 618,392,107.73 is: 853,077,855.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    712,610,200.05 : 983,052,618.87 = 618,392,107.73 : x
  2. Step 2: Convert to fraction form
    712,610,200.05/983,052,618.87 = 618,392,107.73/x
  3. Step 3: Cross multiply
    712,610,200.05x = 983,052,618.87 × 618,392,107.73
  4. Step 4: Simplify right side
    712,610,200.05x = 607,911,980,993,605,760
  5. Step 5: Solve for x
    x = 607,911,980,993,605,760/712,610,200.05
  6. Step 6: Final answer
    x = 853,077,855.11

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Double scale
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1.5x scale

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.