Home / 531,691,237.20-798,358,001.40-289,826,533.20

Finding the Fourth Proportional to 531,691,237.20, 798,358,001.40 and 289,826,533.20

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Solution

The fourth proportional to 531,691,237.20, 798,358,001.40 and 289,826,533.20 is: 435,187,408.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,691,237.20 : 798,358,001.40 = 289,826,533.20 : x
  2. Step 2: Convert to fraction form
    531,691,237.20/798,358,001.40 = 289,826,533.20/x
  3. Step 3: Cross multiply
    531,691,237.20x = 798,358,001.40 × 289,826,533.20
  4. Step 4: Simplify right side
    531,691,237.20x = 231,385,331,798,242,720
  5. Step 5: Solve for x
    x = 231,385,331,798,242,720/531,691,237.20
  6. Step 6: Final answer
    x = 435,187,408.80

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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.