Home / 15,727,548,962.85-21,704,016,738.59-8,493,595,743.76

Finding the Fourth Proportional to 15,727,548,962.85, 21,704,016,738.59 and 8,493,595,743.76

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Solution

The fourth proportional to 15,727,548,962.85, 21,704,016,738.59 and 8,493,595,743.76 is: 11,721,161,678.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,727,548,962.85 : 21,704,016,738.59 = 8,493,595,743.76 : x
  2. Step 2: Convert to fraction form
    15,727,548,962.85/21,704,016,738.59 = 8,493,595,743.76/x
  3. Step 3: Cross multiply
    15,727,548,962.85x = 21,704,016,738.59 × 8,493,595,743.76
  4. Step 4: Simplify right side
    15,727,548,962.85x = 184,345,144,193,402,109,952
  5. Step 5: Solve for x
    x = 184,345,144,193,402,109,952/15,727,548,962.85
  6. Step 6: Final answer
    x = 11,721,161,678.08

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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.