Home / 575,316,290.84-862,990,514.69-187,139,122.65

Finding the Fourth Proportional to 575,316,290.84, 862,990,514.69 and 187,139,122.65

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Solution

The fourth proportional to 575,316,290.84, 862,990,514.69 and 187,139,122.65 is: 280,713,913.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,316,290.84 : 862,990,514.69 = 187,139,122.65 : x
  2. Step 2: Convert to fraction form
    575,316,290.84/862,990,514.69 = 187,139,122.65/x
  3. Step 3: Cross multiply
    575,316,290.84x = 862,990,514.69 × 187,139,122.65
  4. Step 4: Simplify right side
    575,316,290.84x = 161,499,287,773,422,848
  5. Step 5: Solve for x
    x = 161,499,287,773,422,848/575,316,290.84
  6. Step 6: Final answer
    x = 280,713,913.97

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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.