Home / 7,999,561,239.43-11,039,390,670.78-4,784,471,173.55

Finding the Fourth Proportional to 7,999,561,239.43, 11,039,390,670.78 and 4,784,471,173.55

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Solution

The fourth proportional to 7,999,561,239.43, 11,039,390,670.78 and 4,784,471,173.55 is: 6,602,567,923.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,999,561,239.43 : 11,039,390,670.78 = 4,784,471,173.55 : x
  2. Step 2: Convert to fraction form
    7,999,561,239.43/11,039,390,670.78 = 4,784,471,173.55/x
  3. Step 3: Cross multiply
    7,999,561,239.43x = 11,039,390,670.78 × 4,784,471,173.55
  4. Step 4: Simplify right side
    7,999,561,239.43x = 52,817,646,437,930,205,184
  5. Step 5: Solve for x
    x = 52,817,646,437,930,205,184/7,999,561,239.43
  6. Step 6: Final answer
    x = 6,602,567,923.05

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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.