Home / 2,189,532,001.90-3,021,397,298.93-1,285,324,650.77

Finding the Fourth Proportional to 2,189,532,001.90, 3,021,397,298.93 and 1,285,324,650.77

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Solution

The fourth proportional to 2,189,532,001.90, 3,021,397,298.93 and 1,285,324,650.77 is: 1,773,655,934.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,189,532,001.90 : 3,021,397,298.93 = 1,285,324,650.77 : x
  2. Step 2: Convert to fraction form
    2,189,532,001.90/3,021,397,298.93 = 1,285,324,650.77/x
  3. Step 3: Cross multiply
    2,189,532,001.90x = 3,021,397,298.93 × 1,285,324,650.77
  4. Step 4: Simplify right side
    2,189,532,001.90x = 3,883,476,428,078,197,248
  5. Step 5: Solve for x
    x = 3,883,476,428,078,197,248/2,189,532,001.90
  6. Step 6: Final answer
    x = 1,773,655,934.11

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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.