Home / 362,011,979.20-543,017,968.80-333,668,459.20

Finding the Fourth Proportional to 362,011,979.20, 543,017,968.80 and 333,668,459.20

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Solution

The fourth proportional to 362,011,979.20, 543,017,968.80 and 333,668,459.20 is: 500,502,688.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,011,979.20 : 543,017,968.80 = 333,668,459.20 : x
  2. Step 2: Convert to fraction form
    362,011,979.20/543,017,968.80 = 333,668,459.20/x
  3. Step 3: Cross multiply
    362,011,979.20x = 543,017,968.80 × 333,668,459.20
  4. Step 4: Simplify right side
    362,011,979.20x = 181,187,968,967,409,664
  5. Step 5: Solve for x
    x = 181,187,968,967,409,664/362,011,979.20
  6. Step 6: Final answer
    x = 500,502,688.80

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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.