Home / 558,085,917.60-837,128,876.40-437,020,855.20

Finding the Fourth Proportional to 558,085,917.60, 837,128,876.40 and 437,020,855.20

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Solution

The fourth proportional to 558,085,917.60, 837,128,876.40 and 437,020,855.20 is: 655,531,282.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,085,917.60 : 837,128,876.40 = 437,020,855.20 : x
  2. Step 2: Convert to fraction form
    558,085,917.60/837,128,876.40 = 437,020,855.20/x
  3. Step 3: Cross multiply
    558,085,917.60x = 837,128,876.40 × 437,020,855.20
  4. Step 4: Simplify right side
    558,085,917.60x = 365,842,777,476,943,104
  5. Step 5: Solve for x
    x = 365,842,777,476,943,104/558,085,917.60
  6. Step 6: Final answer
    x = 655,531,282.80

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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.