Home / 8,510,832,413.40-12,766,248,620.10-5,245,658,909.40

Finding the Fourth Proportional to 8,510,832,413.40, 12,766,248,620.10 and 5,245,658,909.40

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Solution

The fourth proportional to 8,510,832,413.40, 12,766,248,620.10 and 5,245,658,909.40 is: 7,868,488,364.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,510,832,413.40 : 12,766,248,620.10 = 5,245,658,909.40 : x
  2. Step 2: Convert to fraction form
    8,510,832,413.40/12,766,248,620.10 = 5,245,658,909.40/x
  3. Step 3: Cross multiply
    8,510,832,413.40x = 12,766,248,620.10 × 5,245,658,909.40
  4. Step 4: Simplify right side
    8,510,832,413.40x = 66,967,385,813,643,018,240
  5. Step 5: Solve for x
    x = 66,967,385,813,643,018,240/8,510,832,413.40
  6. Step 6: Final answer
    x = 7,868,488,364.10

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Double scale
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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.