Home / 10,179,346,534.60-15,269,019,801.90-5,281,586,278.60

Finding the Fourth Proportional to 10,179,346,534.60, 15,269,019,801.90 and 5,281,586,278.60

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Solution

The fourth proportional to 10,179,346,534.60, 15,269,019,801.90 and 5,281,586,278.60 is: 7,922,379,417.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,179,346,534.60 : 15,269,019,801.90 = 5,281,586,278.60 : x
  2. Step 2: Convert to fraction form
    10,179,346,534.60/15,269,019,801.90 = 5,281,586,278.60/x
  3. Step 3: Cross multiply
    10,179,346,534.60x = 15,269,019,801.90 × 5,281,586,278.60
  4. Step 4: Simplify right side
    10,179,346,534.60x = 80,644,645,473,386,741,760
  5. Step 5: Solve for x
    x = 80,644,645,473,386,741,760/10,179,346,534.60
  6. Step 6: Final answer
    x = 7,922,379,417.90

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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.