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Finding the Fourth Proportional to 549,667,477.60, 824,501,216.40 and 489,402,068.20

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Solution

The fourth proportional to 549,667,477.60, 824,501,216.40 and 489,402,068.20 is: 734,103,102.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    549,667,477.60 : 824,501,216.40 = 489,402,068.20 : x
  2. Step 2: Convert to fraction form
    549,667,477.60/824,501,216.40 = 489,402,068.20/x
  3. Step 3: Cross multiply
    549,667,477.60x = 824,501,216.40 × 489,402,068.20
  4. Step 4: Simplify right side
    549,667,477.60x = 403,512,600,539,575,744
  5. Step 5: Solve for x
    x = 403,512,600,539,575,744/549,667,477.60
  6. Step 6: Final answer
    x = 734,103,102.30

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