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Finding the Fourth Proportional to 553,609,114.80, 830,413,672.20 and 323,459,732.40

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Solution

The fourth proportional to 553,609,114.80, 830,413,672.20 and 323,459,732.40 is: 485,189,598.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    553,609,114.80 : 830,413,672.20 = 323,459,732.40 : x
  2. Step 2: Convert to fraction form
    553,609,114.80/830,413,672.20 = 323,459,732.40/x
  3. Step 3: Cross multiply
    553,609,114.80x = 830,413,672.20 × 323,459,732.40
  4. Step 4: Simplify right side
    553,609,114.80x = 268,605,384,191,113,312
  5. Step 5: Solve for x
    x = 268,605,384,191,113,312/553,609,114.80
  6. Step 6: Final answer
    x = 485,189,598.60

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