Home / 395,298,346.95-592,364,868.12-220,180,314.33

Finding the Fourth Proportional to 395,298,346.95, 592,364,868.12 and 220,180,314.33

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Solution

The fourth proportional to 395,298,346.95, 592,364,868.12 and 220,180,314.33 is: 329,945,935.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,298,346.95 : 592,364,868.12 = 220,180,314.33 : x
  2. Step 2: Convert to fraction form
    395,298,346.95/592,364,868.12 = 220,180,314.33/x
  3. Step 3: Cross multiply
    395,298,346.95x = 592,364,868.12 × 220,180,314.33
  4. Step 4: Simplify right side
    395,298,346.95x = 130,427,082,860,710,608
  5. Step 5: Solve for x
    x = 130,427,082,860,710,608/395,298,346.95
  6. Step 6: Final answer
    x = 329,945,935.44

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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.