Home / 15,400,748,820.08-21,253,158,158.96-8,534,260,145.22

Finding the Fourth Proportional to 15,400,748,820.08, 21,253,158,158.96 and 8,534,260,145.22

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Solution

The fourth proportional to 15,400,748,820.08, 21,253,158,158.96 and 8,534,260,145.22 is: 11,777,348,150.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,400,748,820.08 : 21,253,158,158.96 = 8,534,260,145.22 : x
  2. Step 2: Convert to fraction form
    15,400,748,820.08/21,253,158,158.96 = 8,534,260,145.22/x
  3. Step 3: Cross multiply
    15,400,748,820.08x = 21,253,158,158.96 × 8,534,260,145.22
  4. Step 4: Simplify right side
    15,400,748,820.08x = 181,379,980,636,069,593,088
  5. Step 5: Solve for x
    x = 181,379,980,636,069,593,088/15,400,748,820.08
  6. Step 6: Final answer
    x = 11,777,348,150.73

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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.