Home / 653,227,550.40-979,841,325.60-289,721,906.40

Finding the Fourth Proportional to 653,227,550.40, 979,841,325.60 and 289,721,906.40

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Solution

The fourth proportional to 653,227,550.40, 979,841,325.60 and 289,721,906.40 is: 434,582,859.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    653,227,550.40 : 979,841,325.60 = 289,721,906.40 : x
  2. Step 2: Convert to fraction form
    653,227,550.40/979,841,325.60 = 289,721,906.40/x
  3. Step 3: Cross multiply
    653,227,550.40x = 979,841,325.60 × 289,721,906.40
  4. Step 4: Simplify right side
    653,227,550.40x = 283,881,496,822,335,104
  5. Step 5: Solve for x
    x = 283,881,496,822,335,104/653,227,550.40
  6. Step 6: Final answer
    x = 434,582,859.60

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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.