Home / 13,208,833,643.10-19,813,250,464.65-12,198,670,590.30

Finding the Fourth Proportional to 13,208,833,643.10, 19,813,250,464.65 and 12,198,670,590.30

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Solution

The fourth proportional to 13,208,833,643.10, 19,813,250,464.65 and 12,198,670,590.30 is: 18,298,005,885.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,208,833,643.10 : 19,813,250,464.65 = 12,198,670,590.30 : x
  2. Step 2: Convert to fraction form
    13,208,833,643.10/19,813,250,464.65 = 12,198,670,590.30/x
  3. Step 3: Cross multiply
    13,208,833,643.10x = 19,813,250,464.65 × 12,198,670,590.30
  4. Step 4: Simplify right side
    13,208,833,643.10x = 241,695,315,741,373,759,488
  5. Step 5: Solve for x
    x = 241,695,315,741,373,759,488/13,208,833,643.10
  6. Step 6: Final answer
    x = 18,298,005,885.45

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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.