Home / 581,620,830.71-802,632,937.28-330,725,241.50

Finding the Fourth Proportional to 581,620,830.71, 802,632,937.28 and 330,725,241.50

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Solution

The fourth proportional to 581,620,830.71, 802,632,937.28 and 330,725,241.50 is: 456,398,667.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    581,620,830.71 : 802,632,937.28 = 330,725,241.50 : x
  2. Step 2: Convert to fraction form
    581,620,830.71/802,632,937.28 = 330,725,241.50/x
  3. Step 3: Cross multiply
    581,620,830.71x = 802,632,937.28 × 330,725,241.50
  4. Step 4: Simplify right side
    581,620,830.71x = 265,450,972,012,115,552
  5. Step 5: Solve for x
    x = 265,450,972,012,115,552/581,620,830.71
  6. Step 6: Final answer
    x = 456,398,667.31

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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.