Home / 10,777,780,268.80-16,166,670,403.20-7,875,403,820.80

Finding the Fourth Proportional to 10,777,780,268.80, 16,166,670,403.20 and 7,875,403,820.80

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Solution

The fourth proportional to 10,777,780,268.80, 16,166,670,403.20 and 7,875,403,820.80 is: 11,813,105,731.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,777,780,268.80 : 16,166,670,403.20 = 7,875,403,820.80 : x
  2. Step 2: Convert to fraction form
    10,777,780,268.80/16,166,670,403.20 = 7,875,403,820.80/x
  3. Step 3: Cross multiply
    10,777,780,268.80x = 16,166,670,403.20 × 7,875,403,820.80
  4. Step 4: Simplify right side
    10,777,780,268.80x = 127,319,057,862,975,569,920
  5. Step 5: Solve for x
    x = 127,319,057,862,975,569,920/10,777,780,268.80
  6. Step 6: Final answer
    x = 11,813,105,731.20

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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.