Home / 819,146,977.14-1,229,594,839.74-353,038,430.46

Finding the Fourth Proportional to 819,146,977.14, 1,229,594,839.74 and 353,038,430.46

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Solution

The fourth proportional to 819,146,977.14, 1,229,594,839.74 and 353,038,430.46 is: 529,934,486.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    819,146,977.14 : 1,229,594,839.74 = 353,038,430.46 : x
  2. Step 2: Convert to fraction form
    819,146,977.14/1,229,594,839.74 = 353,038,430.46/x
  3. Step 3: Cross multiply
    819,146,977.14x = 1,229,594,839.74 × 353,038,430.46
  4. Step 4: Simplify right side
    819,146,977.14x = 434,094,232,323,524,800
  5. Step 5: Solve for x
    x = 434,094,232,323,524,800/819,146,977.14
  6. Step 6: Final answer
    x = 529,934,486.04

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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.