Home / 20,468,417,526.27-28,247,877,849.24-11,312,749,404.10

Finding the Fourth Proportional to 20,468,417,526.27, 28,247,877,849.24 and 11,312,749,404.10

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Solution

The fourth proportional to 20,468,417,526.27, 28,247,877,849.24 and 11,312,749,404.10 is: 15,612,402,028.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,468,417,526.27 : 28,247,877,849.24 = 11,312,749,404.10 : x
  2. Step 2: Convert to fraction form
    20,468,417,526.27/28,247,877,849.24 = 11,312,749,404.10/x
  3. Step 3: Cross multiply
    20,468,417,526.27x = 28,247,877,849.24 × 11,312,749,404.10
  4. Step 4: Simplify right side
    20,468,417,526.27x = 319,561,163,306,022,862,848
  5. Step 5: Solve for x
    x = 319,561,163,306,022,862,848/20,468,417,526.27
  6. Step 6: Final answer
    x = 15,612,402,028.44

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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.