Home / 21,272,782,286.22-31,909,823,493.18-7,298,208,154.86

Finding the Fourth Proportional to 21,272,782,286.22, 31,909,823,493.18 and 7,298,208,154.86

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Solution

The fourth proportional to 21,272,782,286.22, 31,909,823,493.18 and 7,298,208,154.86 is: 10,947,535,254.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,272,782,286.22 : 31,909,823,493.18 = 7,298,208,154.86 : x
  2. Step 2: Convert to fraction form
    21,272,782,286.22/31,909,823,493.18 = 7,298,208,154.86/x
  3. Step 3: Cross multiply
    21,272,782,286.22x = 31,909,823,493.18 × 7,298,208,154.86
  4. Step 4: Simplify right side
    21,272,782,286.22x = 232,884,534,038,069,477,376
  5. Step 5: Solve for x
    x = 232,884,534,038,069,477,376/21,272,782,286.22
  6. Step 6: Final answer
    x = 10,947,535,254.42

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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.