Home / 983,744,982.81-1,475,875,912.77-353,540,669.06

Finding the Fourth Proportional to 983,744,982.81, 1,475,875,912.77 and 353,540,669.06

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Solution

The fourth proportional to 983,744,982.81, 1,475,875,912.77 and 353,540,669.06 is: 530,403,881.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    983,744,982.81 : 1,475,875,912.77 = 353,540,669.06 : x
  2. Step 2: Convert to fraction form
    983,744,982.81/1,475,875,912.77 = 353,540,669.06/x
  3. Step 3: Cross multiply
    983,744,982.81x = 1,475,875,912.77 × 353,540,669.06
  4. Step 4: Simplify right side
    983,744,982.81x = 521,782,157,643,078,080
  5. Step 5: Solve for x
    x = 521,782,157,643,078,080/983,744,982.81
  6. Step 6: Final answer
    x = 530,403,881.86

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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.