Home / 581,620,871.52-802,632,992.76-330,725,281.68

Finding the Fourth Proportional to 581,620,871.52, 802,632,992.76 and 330,725,281.68

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Solution

The fourth proportional to 581,620,871.52, 802,632,992.76 and 330,725,281.68 is: 456,398,722.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    581,620,871.52 : 802,632,992.76 = 330,725,281.68 : x
  2. Step 2: Convert to fraction form
    581,620,871.52/802,632,992.76 = 330,725,281.68/x
  3. Step 3: Cross multiply
    581,620,871.52x = 802,632,992.76 × 330,725,281.68
  4. Step 4: Simplify right side
    581,620,871.52x = 265,451,022,616,212,416
  5. Step 5: Solve for x
    x = 265,451,022,616,212,416/581,620,871.52
  6. Step 6: Final answer
    x = 456,398,722.29

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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.