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Finding the Fourth Proportional to 488,358,196.40, 732,537,294.60 and 333,390,000.80

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Solution

The fourth proportional to 488,358,196.40, 732,537,294.60 and 333,390,000.80 is: 500,085,001.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,358,196.40 : 732,537,294.60 = 333,390,000.80 : x
  2. Step 2: Convert to fraction form
    488,358,196.40/732,537,294.60 = 333,390,000.80/x
  3. Step 3: Cross multiply
    488,358,196.40x = 732,537,294.60 × 333,390,000.80
  4. Step 4: Simplify right side
    488,358,196.40x = 244,220,609,232,723,840
  5. Step 5: Solve for x
    x = 244,220,609,232,723,840/488,358,196.40
  6. Step 6: Final answer
    x = 500,085,001.20

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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.