Home / 354,321,315.60-531,481,973.40-163,218,339.60

Finding the Fourth Proportional to 354,321,315.60, 531,481,973.40 and 163,218,339.60

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Solution

The fourth proportional to 354,321,315.60, 531,481,973.40 and 163,218,339.60 is: 244,827,509.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,321,315.60 : 531,481,973.40 = 163,218,339.60 : x
  2. Step 2: Convert to fraction form
    354,321,315.60/531,481,973.40 = 163,218,339.60/x
  3. Step 3: Cross multiply
    354,321,315.60x = 531,481,973.40 × 163,218,339.60
  4. Step 4: Simplify right side
    354,321,315.60x = 86,747,605,225,679,360
  5. Step 5: Solve for x
    x = 86,747,605,225,679,360/354,321,315.60
  6. Step 6: Final answer
    x = 244,827,509.40

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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.