Home / 10,637,567,999.20-15,956,351,998.80-5,113,982,821.60

Finding the Fourth Proportional to 10,637,567,999.20, 15,956,351,998.80 and 5,113,982,821.60

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Solution

The fourth proportional to 10,637,567,999.20, 15,956,351,998.80 and 5,113,982,821.60 is: 7,670,974,232.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,637,567,999.20 : 15,956,351,998.80 = 5,113,982,821.60 : x
  2. Step 2: Convert to fraction form
    10,637,567,999.20/15,956,351,998.80 = 5,113,982,821.60/x
  3. Step 3: Cross multiply
    10,637,567,999.20x = 15,956,351,998.80 × 5,113,982,821.60
  4. Step 4: Simplify right side
    10,637,567,999.20x = 81,600,510,017,266,024,448
  5. Step 5: Solve for x
    x = 81,600,510,017,266,024,448/10,637,567,999.20
  6. Step 6: Final answer
    x = 7,670,974,232.40

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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.