Home / 525,985,327.63-725,860,602.44-291,045,890.35

Finding the Fourth Proportional to 525,985,327.63, 725,860,602.44 and 291,045,890.35

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Solution

The fourth proportional to 525,985,327.63, 725,860,602.44 and 291,045,890.35 is: 401,643,799.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,985,327.63 : 725,860,602.44 = 291,045,890.35 : x
  2. Step 2: Convert to fraction form
    525,985,327.63/725,860,602.44 = 291,045,890.35/x
  3. Step 3: Cross multiply
    525,985,327.63x = 725,860,602.44 × 291,045,890.35
  4. Step 4: Simplify right side
    525,985,327.63x = 211,258,745,307,137,216
  5. Step 5: Solve for x
    x = 211,258,745,307,137,216/525,985,327.63
  6. Step 6: Final answer
    x = 401,643,799.19

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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.