Home / 28,530,665,026.02-42,758,768,851.35-15,939,014,857.92

Finding the Fourth Proportional to 28,530,665,026.02, 42,758,768,851.35 and 15,939,014,857.92

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Solution

The fourth proportional to 28,530,665,026.02, 42,758,768,851.35 and 15,939,014,857.92 is: 23,887,724,012.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,530,665,026.02 : 42,758,768,851.35 = 15,939,014,857.92 : x
  2. Step 2: Convert to fraction form
    28,530,665,026.02/42,758,768,851.35 = 15,939,014,857.92/x
  3. Step 3: Cross multiply
    28,530,665,026.02x = 42,758,768,851.35 × 15,939,014,857.92
  4. Step 4: Simplify right side
    28,530,665,026.02x = 681,532,652,028,034,547,712
  5. Step 5: Solve for x
    x = 681,532,652,028,034,547,712/28,530,665,026.02
  6. Step 6: Final answer
    x = 23,887,724,012.27

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.