Home / 354,383,623.40-531,575,435.10-282,720,007.40

Finding the Fourth Proportional to 354,383,623.40, 531,575,435.10 and 282,720,007.40

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Solution

The fourth proportional to 354,383,623.40, 531,575,435.10 and 282,720,007.40 is: 424,080,011.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,383,623.40 : 531,575,435.10 = 282,720,007.40 : x
  2. Step 2: Convert to fraction form
    354,383,623.40/531,575,435.10 = 282,720,007.40/x
  3. Step 3: Cross multiply
    354,383,623.40x = 531,575,435.10 × 282,720,007.40
  4. Step 4: Simplify right side
    354,383,623.40x = 150,287,010,945,130,208
  5. Step 5: Solve for x
    x = 150,287,010,945,130,208/354,383,623.40
  6. Step 6: Final answer
    x = 424,080,011.10

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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.