Home / 15,716,567,743.64-21,688,753,152.30-8,579,981,555

Finding the Fourth Proportional to 15,716,567,743.64, 21,688,753,152.30 and 8,579,981,555

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Solution

The fourth proportional to 15,716,567,743.64, 21,688,753,152.30 and 8,579,981,555 is: 11,840,314,312.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,716,567,743.64 : 21,688,753,152.30 = 8,579,981,555 : x
  2. Step 2: Convert to fraction form
    15,716,567,743.64/21,688,753,152.30 = 8,579,981,555/x
  3. Step 3: Cross multiply
    15,716,567,743.64x = 21,688,753,152.30 × 8,579,981,555
  4. Step 4: Simplify right side
    15,716,567,743.64x = 186,089,101,997,682,098,176
  5. Step 5: Solve for x
    x = 186,089,101,997,682,098,176/15,716,567,743.64
  6. Step 6: Final answer
    x = 11,840,314,312.45

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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.