Home / 379,830,379.08-524,154,661.80-210,292,170.30

Finding the Fourth Proportional to 379,830,379.08, 524,154,661.80 and 210,292,170.30

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Solution

The fourth proportional to 379,830,379.08, 524,154,661.80 and 210,292,170.30 is: 290,196,960.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,830,379.08 : 524,154,661.80 = 210,292,170.30 : x
  2. Step 2: Convert to fraction form
    379,830,379.08/524,154,661.80 = 210,292,170.30/x
  3. Step 3: Cross multiply
    379,830,379.08x = 524,154,661.80 × 210,292,170.30
  4. Step 4: Simplify right side
    379,830,379.08x = 110,225,621,402,784,512
  5. Step 5: Solve for x
    x = 110,225,621,402,784,512/379,830,379.08
  6. Step 6: Final answer
    x = 290,196,960.21

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.