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Finding the Fourth Proportional to 559,909,823.80, 839,864,735.70 and 559,909,823.80

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Solution

The fourth proportional to 559,909,823.80, 839,864,735.70 and 559,909,823.80 is: 839,864,735.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,909,823.80 : 839,864,735.70 = 559,909,823.80 : x
  2. Step 2: Convert to fraction form
    559,909,823.80/839,864,735.70 = 559,909,823.80/x
  3. Step 3: Cross multiply
    559,909,823.80x = 839,864,735.70 × 559,909,823.80
  4. Step 4: Simplify right side
    559,909,823.80x = 470,248,516,181,620,544
  5. Step 5: Solve for x
    x = 470,248,516,181,620,544/559,909,823.80
  6. Step 6: Final answer
    x = 839,864,735.70

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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.