Home / 1,242,457,306.56-1,714,626,960.48-685,576,225.08

Finding the Fourth Proportional to 1,242,457,306.56, 1,714,626,960.48 and 685,576,225.08

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Solution

The fourth proportional to 1,242,457,306.56, 1,714,626,960.48 and 685,576,225.08 is: 946,114,987.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,242,457,306.56 : 1,714,626,960.48 = 685,576,225.08 : x
  2. Step 2: Convert to fraction form
    1,242,457,306.56/1,714,626,960.48 = 685,576,225.08/x
  3. Step 3: Cross multiply
    1,242,457,306.56x = 1,714,626,960.48 × 685,576,225.08
  4. Step 4: Simplify right side
    1,242,457,306.56x = 1,175,507,478,986,272,768
  5. Step 5: Solve for x
    x = 1,175,507,478,986,272,768/1,242,457,306.56
  6. Step 6: Final answer
    x = 946,114,987.44

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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.