Home / 378,927,300.40-568,390,618.20-142,620,970.92

Finding the Fourth Proportional to 378,927,300.40, 568,390,618.20 and 142,620,970.92

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Solution

The fourth proportional to 378,927,300.40, 568,390,618.20 and 142,620,970.92 is: 213,931,331.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    378,927,300.40 : 568,390,618.20 = 142,620,970.92 : x
  2. Step 2: Convert to fraction form
    378,927,300.40/568,390,618.20 = 142,620,970.92/x
  3. Step 3: Cross multiply
    378,927,300.40x = 568,390,618.20 × 142,620,970.92
  4. Step 4: Simplify right side
    378,927,300.40x = 81,064,421,829,503,024
  5. Step 5: Solve for x
    x = 81,064,421,829,503,024/378,927,300.40
  6. Step 6: Final answer
    x = 213,931,331.27

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