Home / 906,962,503.40-1,360,443,755.10-389,304,852.20

Finding the Fourth Proportional to 906,962,503.40, 1,360,443,755.10 and 389,304,852.20

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Solution

The fourth proportional to 906,962,503.40, 1,360,443,755.10 and 389,304,852.20 is: 583,957,278.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    906,962,503.40 : 1,360,443,755.10 = 389,304,852.20 : x
  2. Step 2: Convert to fraction form
    906,962,503.40/1,360,443,755.10 = 389,304,852.20/x
  3. Step 3: Cross multiply
    906,962,503.40x = 1,360,443,755.10 × 389,304,852.20
  4. Step 4: Simplify right side
    906,962,503.40x = 529,627,355,005,618,432
  5. Step 5: Solve for x
    x = 529,627,355,005,618,432/906,962,503.40
  6. Step 6: Final answer
    x = 583,957,278.30

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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.