Home / 1,009,051,625.55-1,514,349,979.20-456,741,920.10

Finding the Fourth Proportional to 1,009,051,625.55, 1,514,349,979.20 and 456,741,920.10

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Solution

The fourth proportional to 1,009,051,625.55, 1,514,349,979.20 and 456,741,920.10 is: 685,462,566.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,009,051,625.55 : 1,514,349,979.20 = 456,741,920.10 : x
  2. Step 2: Convert to fraction form
    1,009,051,625.55/1,514,349,979.20 = 456,741,920.10/x
  3. Step 3: Cross multiply
    1,009,051,625.55x = 1,514,349,979.20 × 456,741,920.10
  4. Step 4: Simplify right side
    1,009,051,625.55x = 691,667,117,203,203,072
  5. Step 5: Solve for x
    x = 691,667,117,203,203,072/1,009,051,625.55
  6. Step 6: Final answer
    x = 685,462,566.72

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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.