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Finding the Fourth Proportional to 593,142,409.60, 889,713,614.40 and 492,365,449.60

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Solution

The fourth proportional to 593,142,409.60, 889,713,614.40 and 492,365,449.60 is: 738,548,174.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    593,142,409.60 : 889,713,614.40 = 492,365,449.60 : x
  2. Step 2: Convert to fraction form
    593,142,409.60/889,713,614.40 = 492,365,449.60/x
  3. Step 3: Cross multiply
    593,142,409.60x = 889,713,614.40 × 492,365,449.60
  4. Step 4: Simplify right side
    593,142,409.60x = 438,064,243,769,297,024
  5. Step 5: Solve for x
    x = 438,064,243,769,297,024/593,142,409.60
  6. Step 6: Final answer
    x = 738,548,174.40

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1.5x scale

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.