Home / 619,808,054.20-855,428,104.74-470,884,114.24

Finding the Fourth Proportional to 619,808,054.20, 855,428,104.74 and 470,884,114.24

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Solution

The fourth proportional to 619,808,054.20, 855,428,104.74 and 470,884,114.24 is: 649,890,724.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    619,808,054.20 : 855,428,104.74 = 470,884,114.24 : x
  2. Step 2: Convert to fraction form
    619,808,054.20/855,428,104.74 = 470,884,114.24/x
  3. Step 3: Cross multiply
    619,808,054.20x = 855,428,104.74 × 470,884,114.24
  4. Step 4: Simplify right side
    619,808,054.20x = 402,807,505,396,496,832
  5. Step 5: Solve for x
    x = 402,807,505,396,496,832/619,808,054.20
  6. Step 6: Final answer
    x = 649,890,724.50

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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.