Home / 354,383,622.40-531,575,433.60-282,720,006.40

Finding the Fourth Proportional to 354,383,622.40, 531,575,433.60 and 282,720,006.40

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Solution

The fourth proportional to 354,383,622.40, 531,575,433.60 and 282,720,006.40 is: 424,080,009.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,383,622.40 : 531,575,433.60 = 282,720,006.40 : x
  2. Step 2: Convert to fraction form
    354,383,622.40/531,575,433.60 = 282,720,006.40/x
  3. Step 3: Cross multiply
    354,383,622.40x = 531,575,433.60 × 282,720,006.40
  4. Step 4: Simplify right side
    354,383,622.40x = 150,287,009,989,474,784
  5. Step 5: Solve for x
    x = 150,287,009,989,474,784/354,383,622.40
  6. Step 6: Final answer
    x = 424,080,009.60

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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.