Home / 647,496,413.40-971,244,620.10-579,471,965.40

Finding the Fourth Proportional to 647,496,413.40, 971,244,620.10 and 579,471,965.40

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Solution

The fourth proportional to 647,496,413.40, 971,244,620.10 and 579,471,965.40 is: 869,207,948.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    647,496,413.40 : 971,244,620.10 = 579,471,965.40 : x
  2. Step 2: Convert to fraction form
    647,496,413.40/971,244,620.10 = 579,471,965.40/x
  3. Step 3: Cross multiply
    647,496,413.40x = 971,244,620.10 × 579,471,965.40
  4. Step 4: Simplify right side
    647,496,413.40x = 562,809,028,893,523,328
  5. Step 5: Solve for x
    x = 562,809,028,893,523,328/647,496,413.40
  6. Step 6: Final answer
    x = 869,207,948.10

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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.