Home / 435,470,904.30-652,781,203.65-389,554,401.90

Finding the Fourth Proportional to 435,470,904.30, 652,781,203.65 and 389,554,401.90

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Solution

The fourth proportional to 435,470,904.30, 652,781,203.65 and 389,554,401.90 is: 583,951,278.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,470,904.30 : 652,781,203.65 = 389,554,401.90 : x
  2. Step 2: Convert to fraction form
    435,470,904.30/652,781,203.65 = 389,554,401.90/x
  3. Step 3: Cross multiply
    435,470,904.30x = 652,781,203.65 × 389,554,401.90
  4. Step 4: Simplify right side
    435,470,904.30x = 254,293,791,359,437,824
  5. Step 5: Solve for x
    x = 254,293,791,359,437,824/435,470,904.30
  6. Step 6: Final answer
    x = 583,951,278.60

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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.