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Finding the Fourth Proportional to 768,663,068.80, 1,152,994,603.20 and 732,950,233.60

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Solution

The fourth proportional to 768,663,068.80, 1,152,994,603.20 and 732,950,233.60 is: 1,099,425,350.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    768,663,068.80 : 1,152,994,603.20 = 732,950,233.60 : x
  2. Step 2: Convert to fraction form
    768,663,068.80/1,152,994,603.20 = 732,950,233.60/x
  3. Step 3: Cross multiply
    768,663,068.80x = 1,152,994,603.20 × 732,950,233.60
  4. Step 4: Simplify right side
    768,663,068.80x = 845,087,663,754,979,328
  5. Step 5: Solve for x
    x = 845,087,663,754,979,328/768,663,068.80
  6. Step 6: Final answer
    x = 1,099,425,350.40

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1.5x scale

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.