Home / 536,772,388.85-805,158,583.28-399,022,881.65

Finding the Fourth Proportional to 536,772,388.85, 805,158,583.28 and 399,022,881.65

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Solution

The fourth proportional to 536,772,388.85, 805,158,583.28 and 399,022,881.65 is: 598,534,322.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,772,388.85 : 805,158,583.28 = 399,022,881.65 : x
  2. Step 2: Convert to fraction form
    536,772,388.85/805,158,583.28 = 399,022,881.65/x
  3. Step 3: Cross multiply
    536,772,388.85x = 805,158,583.28 × 399,022,881.65
  4. Step 4: Simplify right side
    536,772,388.85x = 321,276,698,083,621,952
  5. Step 5: Solve for x
    x = 321,276,698,083,621,952/536,772,388.85
  6. Step 6: Final answer
    x = 598,534,322.48

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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.