Home / 906,149,848.80-1,359,755,614.80-331,779,237.60

Finding the Fourth Proportional to 906,149,848.80, 1,359,755,614.80 and 331,779,237.60

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Solution

The fourth proportional to 906,149,848.80, 1,359,755,614.80 and 331,779,237.60 is: 497,863,219.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    906,149,848.80 : 1,359,755,614.80 = 331,779,237.60 : x
  2. Step 2: Convert to fraction form
    906,149,848.80/1,359,755,614.80 = 331,779,237.60/x
  3. Step 3: Cross multiply
    906,149,848.80x = 1,359,755,614.80 × 331,779,237.60
  4. Step 4: Simplify right side
    906,149,848.80x = 451,138,681,200,663,296
  5. Step 5: Solve for x
    x = 451,138,681,200,663,296/906,149,848.80
  6. Step 6: Final answer
    x = 497,863,219.64

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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.