Home / 460,748,009.60-691,122,014.40-338,304,003.20

Finding the Fourth Proportional to 460,748,009.60, 691,122,014.40 and 338,304,003.20

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Solution

The fourth proportional to 460,748,009.60, 691,122,014.40 and 338,304,003.20 is: 507,456,004.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,748,009.60 : 691,122,014.40 = 338,304,003.20 : x
  2. Step 2: Convert to fraction form
    460,748,009.60/691,122,014.40 = 338,304,003.20/x
  3. Step 3: Cross multiply
    460,748,009.60x = 691,122,014.40 × 338,304,003.20
  4. Step 4: Simplify right side
    460,748,009.60x = 233,809,344,171,168,032
  5. Step 5: Solve for x
    x = 233,809,344,171,168,032/460,748,009.60
  6. Step 6: Final answer
    x = 507,456,004.80

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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.