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Finding the Fourth Proportional to 366,012,573.60, 549,018,860.40 and 123,671,978.40

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Solution

The fourth proportional to 366,012,573.60, 549,018,860.40 and 123,671,978.40 is: 185,507,967.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,012,573.60 : 549,018,860.40 = 123,671,978.40 : x
  2. Step 2: Convert to fraction form
    366,012,573.60/549,018,860.40 = 123,671,978.40/x
  3. Step 3: Cross multiply
    366,012,573.60x = 549,018,860.40 × 123,671,978.40
  4. Step 4: Simplify right side
    366,012,573.60x = 67,898,248,644,581,416
  5. Step 5: Solve for x
    x = 67,898,248,644,581,416/366,012,573.60
  6. Step 6: Final answer
    x = 185,507,967.60

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