Home / 617,169,707,281.55-851,502,048,867.45-356,652,507,189.47

Finding the Fourth Proportional to 617,169,707,281.55, 851,502,048,867.45 and 356,652,507,189.47

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Solution

The fourth proportional to 617,169,707,281.55, 851,502,048,867.45 and 356,652,507,189.47 is: 492,069,421,137.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    617,169,707,281.55 : 851,502,048,867.45 = 356,652,507,189.47 : x
  2. Step 2: Convert to fraction form
    617,169,707,281.55/851,502,048,867.45 = 356,652,507,189.47/x
  3. Step 3: Cross multiply
    617,169,707,281.55x = 851,502,048,867.45 × 356,652,507,189.47
  4. Step 4: Simplify right side
    617,169,707,281.55x = 303,690,340,605,546,591,158,272
  5. Step 5: Solve for x
    x = 303,690,340,605,546,591,158,272/617,169,707,281.55
  6. Step 6: Final answer
    x = 492,069,421,137.36

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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.