Home / 447,130,495.65-617,039,961.54-248,887,693.65

Finding the Fourth Proportional to 447,130,495.65, 617,039,961.54 and 248,887,693.65

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Solution

The fourth proportional to 447,130,495.65, 617,039,961.54 and 248,887,693.65 is: 343,464,949.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,130,495.65 : 617,039,961.54 = 248,887,693.65 : x
  2. Step 2: Convert to fraction form
    447,130,495.65/617,039,961.54 = 248,887,693.65/x
  3. Step 3: Cross multiply
    447,130,495.65x = 617,039,961.54 × 248,887,693.65
  4. Step 4: Simplify right side
    447,130,495.65x = 153,573,652,917,575,296
  5. Step 5: Solve for x
    x = 153,573,652,917,575,296/447,130,495.65
  6. Step 6: Final answer
    x = 343,464,949.07

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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.