Home / 27,452,189,379.04-37,880,990,047.20-15,406,437,359.68

Finding the Fourth Proportional to 27,452,189,379.04, 37,880,990,047.20 and 15,406,437,359.68

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Solution

The fourth proportional to 27,452,189,379.04, 37,880,990,047.20 and 15,406,437,359.68 is: 21,259,182,363.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,452,189,379.04 : 37,880,990,047.20 = 15,406,437,359.68 : x
  2. Step 2: Convert to fraction form
    27,452,189,379.04/37,880,990,047.20 = 15,406,437,359.68/x
  3. Step 3: Cross multiply
    27,452,189,379.04x = 37,880,990,047.20 × 15,406,437,359.68
  4. Step 4: Simplify right side
    27,452,189,379.04x = 583,611,100,284,848,308,224
  5. Step 5: Solve for x
    x = 583,611,100,284,848,308,224/27,452,189,379.04
  6. Step 6: Final answer
    x = 21,259,182,363.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.