Home / 6,403,953,221.89-8,836,972,929.22-3,897,549,920.05

Finding the Fourth Proportional to 6,403,953,221.89, 8,836,972,929.22 and 3,897,549,920.05

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Solution

The fourth proportional to 6,403,953,221.89, 8,836,972,929.22 and 3,897,549,920.05 is: 5,378,325,222.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,403,953,221.89 : 8,836,972,929.22 = 3,897,549,920.05 : x
  2. Step 2: Convert to fraction form
    6,403,953,221.89/8,836,972,929.22 = 3,897,549,920.05/x
  3. Step 3: Cross multiply
    6,403,953,221.89x = 8,836,972,929.22 × 3,897,549,920.05
  4. Step 4: Simplify right side
    6,403,953,221.89x = 34,442,543,133,761,159,168
  5. Step 5: Solve for x
    x = 34,442,543,133,761,159,168/6,403,953,221.89
  6. Step 6: Final answer
    x = 5,378,325,222.00

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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.