Home / 293,390,207.80-440,085,311.70-176,685,764.20

Finding the Fourth Proportional to 293,390,207.80, 440,085,311.70 and 176,685,764.20

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Solution

The fourth proportional to 293,390,207.80, 440,085,311.70 and 176,685,764.20 is: 265,028,646.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,390,207.80 : 440,085,311.70 = 176,685,764.20 : x
  2. Step 2: Convert to fraction form
    293,390,207.80/440,085,311.70 = 176,685,764.20/x
  3. Step 3: Cross multiply
    293,390,207.80x = 440,085,311.70 × 176,685,764.20
  4. Step 4: Simplify right side
    293,390,207.80x = 77,756,809,610,909,696
  5. Step 5: Solve for x
    x = 77,756,809,610,909,696/293,390,207.80
  6. Step 6: Final answer
    x = 265,028,646.30

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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.