Home / 525,294,094.41-724,893,206.45-287,128,592.37

Finding the Fourth Proportional to 525,294,094.41, 724,893,206.45 and 287,128,592.37

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Solution

The fourth proportional to 525,294,094.41, 724,893,206.45 and 287,128,592.37 is: 396,230,546.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,294,094.41 : 724,893,206.45 = 287,128,592.37 : x
  2. Step 2: Convert to fraction form
    525,294,094.41/724,893,206.45 = 287,128,592.37/x
  3. Step 3: Cross multiply
    525,294,094.41x = 724,893,206.45 × 287,128,592.37
  4. Step 4: Simplify right side
    525,294,094.41x = 208,137,565,985,128,672
  5. Step 5: Solve for x
    x = 208,137,565,985,128,672/525,294,094.41
  6. Step 6: Final answer
    x = 396,230,546.28

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.