Home / 487,799,993.40-673,164,637.03-264,781,530.24

Finding the Fourth Proportional to 487,799,993.40, 673,164,637.03 and 264,781,530.24

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Solution

The fourth proportional to 487,799,993.40, 673,164,637.03 and 264,781,530.24 is: 365,398,862.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    487,799,993.40 : 673,164,637.03 = 264,781,530.24 : x
  2. Step 2: Convert to fraction form
    487,799,993.40/673,164,637.03 = 264,781,530.24/x
  3. Step 3: Cross multiply
    487,799,993.40x = 673,164,637.03 × 264,781,530.24
  4. Step 4: Simplify right side
    487,799,993.40x = 178,241,562,692,891,744
  5. Step 5: Solve for x
    x = 178,241,562,692,891,744/487,799,993.40
  6. Step 6: Final answer
    x = 365,398,862.46

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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.