Home / 575,316,284.09-862,990,504.56-187,139,115.90

Finding the Fourth Proportional to 575,316,284.09, 862,990,504.56 and 187,139,115.90

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Solution

The fourth proportional to 575,316,284.09, 862,990,504.56 and 187,139,115.90 is: 280,713,903.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,316,284.09 : 862,990,504.56 = 187,139,115.90 : x
  2. Step 2: Convert to fraction form
    575,316,284.09/862,990,504.56 = 187,139,115.90/x
  3. Step 3: Cross multiply
    575,316,284.09x = 862,990,504.56 × 187,139,115.90
  4. Step 4: Simplify right side
    575,316,284.09x = 161,499,280,053,453,312
  5. Step 5: Solve for x
    x = 161,499,280,053,453,312/575,316,284.09
  6. Step 6: Final answer
    x = 280,713,903.85

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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.