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Finding the Fourth Proportional to 488,018,679.04, 732,026,421.88 and 177,125,880.62

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Solution

The fourth proportional to 488,018,679.04, 732,026,421.88 and 177,125,880.62 is: 265,688,241.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,018,679.04 : 732,026,421.88 = 177,125,880.62 : x
  2. Step 2: Convert to fraction form
    488,018,679.04/732,026,421.88 = 177,125,880.62/x
  3. Step 3: Cross multiply
    488,018,679.04x = 732,026,421.88 × 177,125,880.62
  4. Step 4: Simplify right side
    488,018,679.04x = 129,660,824,612,602,640
  5. Step 5: Solve for x
    x = 129,660,824,612,602,640/488,018,679.04
  6. Step 6: Final answer
    x = 265,688,241.42

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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.