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Finding the Fourth Proportional to 559,872,455.60, 839,808,683.40 and 176,920,007.60

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Solution

The fourth proportional to 559,872,455.60, 839,808,683.40 and 176,920,007.60 is: 265,380,011.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,872,455.60 : 839,808,683.40 = 176,920,007.60 : x
  2. Step 2: Convert to fraction form
    559,872,455.60/839,808,683.40 = 176,920,007.60/x
  3. Step 3: Cross multiply
    559,872,455.60x = 839,808,683.40 × 176,920,007.60
  4. Step 4: Simplify right side
    559,872,455.60x = 148,578,958,649,673,984
  5. Step 5: Solve for x
    x = 148,578,958,649,673,984/559,872,455.60
  6. Step 6: Final answer
    x = 265,380,011.40

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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.