Home / 293,411,005.20-440,116,507.80-140,355,997.20

Finding the Fourth Proportional to 293,411,005.20, 440,116,507.80 and 140,355,997.20

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Solution

The fourth proportional to 293,411,005.20, 440,116,507.80 and 140,355,997.20 is: 210,533,995.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,411,005.20 : 440,116,507.80 = 140,355,997.20 : x
  2. Step 2: Convert to fraction form
    293,411,005.20/440,116,507.80 = 140,355,997.20/x
  3. Step 3: Cross multiply
    293,411,005.20x = 440,116,507.80 × 140,355,997.20
  4. Step 4: Simplify right side
    293,411,005.20x = 61,772,991,336,450,576
  5. Step 5: Solve for x
    x = 61,772,991,336,450,576/293,411,005.20
  6. Step 6: Final answer
    x = 210,533,995.80

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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.