Home / 13,213,699,592.10-19,820,549,388.15-7,627,191,800.10

Finding the Fourth Proportional to 13,213,699,592.10, 19,820,549,388.15 and 7,627,191,800.10

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Solution

The fourth proportional to 13,213,699,592.10, 19,820,549,388.15 and 7,627,191,800.10 is: 11,440,787,700.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,213,699,592.10 : 19,820,549,388.15 = 7,627,191,800.10 : x
  2. Step 2: Convert to fraction form
    13,213,699,592.10/19,820,549,388.15 = 7,627,191,800.10/x
  3. Step 3: Cross multiply
    13,213,699,592.10x = 19,820,549,388.15 × 7,627,191,800.10
  4. Step 4: Simplify right side
    13,213,699,592.10x = 151,175,131,766,774,759,424
  5. Step 5: Solve for x
    x = 151,175,131,766,774,759,424/13,213,699,592.10
  6. Step 6: Final answer
    x = 11,440,787,700.15

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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.