Home / 21,272,781,926.44-31,909,822,953.54-7,298,207,795.08

Finding the Fourth Proportional to 21,272,781,926.44, 31,909,822,953.54 and 7,298,207,795.08

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Solution

The fourth proportional to 21,272,781,926.44, 31,909,822,953.54 and 7,298,207,795.08 is: 10,947,534,714.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,272,781,926.44 : 31,909,822,953.54 = 7,298,207,795.08 : x
  2. Step 2: Convert to fraction form
    21,272,781,926.44/31,909,822,953.54 = 7,298,207,795.08/x
  3. Step 3: Cross multiply
    21,272,781,926.44x = 31,909,822,953.54 × 7,298,207,795.08
  4. Step 4: Simplify right side
    21,272,781,926.44x = 232,884,518,619,148,353,536
  5. Step 5: Solve for x
    x = 232,884,518,619,148,353,536/21,272,781,926.44
  6. Step 6: Final answer
    x = 10,947,534,714.76

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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.