Home / 7,143,120,941.04-9,858,058,317.39-4,285,370,184.30

Finding the Fourth Proportional to 7,143,120,941.04, 9,858,058,317.39 and 4,285,370,184.30

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Solution

The fourth proportional to 7,143,120,941.04, 9,858,058,317.39 and 4,285,370,184.30 is: 5,914,141,666.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,143,120,941.04 : 9,858,058,317.39 = 4,285,370,184.30 : x
  2. Step 2: Convert to fraction form
    7,143,120,941.04/9,858,058,317.39 = 4,285,370,184.30/x
  3. Step 3: Cross multiply
    7,143,120,941.04x = 9,858,058,317.39 × 4,285,370,184.30
  4. Step 4: Simplify right side
    7,143,120,941.04x = 42,245,429,188,425,162,752
  5. Step 5: Solve for x
    x = 42,245,429,188,425,162,752/7,143,120,941.04
  6. Step 6: Final answer
    x = 5,914,141,666.80

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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.