Home / 650,350,985.90-897,460,328.40-352,986,843.58

Finding the Fourth Proportional to 650,350,985.90, 897,460,328.40 and 352,986,843.58

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Solution

The fourth proportional to 650,350,985.90, 897,460,328.40 and 352,986,843.58 is: 487,108,800.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    650,350,985.90 : 897,460,328.40 = 352,986,843.58 : x
  2. Step 2: Convert to fraction form
    650,350,985.90/897,460,328.40 = 352,986,843.58/x
  3. Step 3: Cross multiply
    650,350,985.90x = 897,460,328.40 × 352,986,843.58
  4. Step 4: Simplify right side
    650,350,985.90x = 316,791,688,560,186,240
  5. Step 5: Solve for x
    x = 316,791,688,560,186,240/650,350,985.90
  6. Step 6: Final answer
    x = 487,108,800.37

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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.