Home / 387,072,570.80-579,937,009.80-362,886,100.40

Finding the Fourth Proportional to 387,072,570.80, 579,937,009.80 and 362,886,100.40

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Solution

The fourth proportional to 387,072,570.80, 579,937,009.80 and 362,886,100.40 is: 543,699,284.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    387,072,570.80 : 579,937,009.80 = 362,886,100.40 : x
  2. Step 2: Convert to fraction form
    387,072,570.80/579,937,009.80 = 362,886,100.40/x
  3. Step 3: Cross multiply
    387,072,570.80x = 579,937,009.80 × 362,886,100.40
  4. Step 4: Simplify right side
    387,072,570.80x = 210,451,079,963,958,560
  5. Step 5: Solve for x
    x = 210,451,079,963,958,560/387,072,570.80
  6. Step 6: Final answer
    x = 543,699,284.94

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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.