Home / 426,464,999.65-588,612,624.29-292,685,918.05

Finding the Fourth Proportional to 426,464,999.65, 588,612,624.29 and 292,685,918.05

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Solution

The fourth proportional to 426,464,999.65, 588,612,624.29 and 292,685,918.05 is: 403,968,969.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    426,464,999.65 : 588,612,624.29 = 292,685,918.05 : x
  2. Step 2: Convert to fraction form
    426,464,999.65/588,612,624.29 = 292,685,918.05/x
  3. Step 3: Cross multiply
    426,464,999.65x = 588,612,624.29 × 292,685,918.05
  4. Step 4: Simplify right side
    426,464,999.65x = 172,278,626,314,674,944
  5. Step 5: Solve for x
    x = 172,278,626,314,674,944/426,464,999.65
  6. Step 6: Final answer
    x = 403,968,969.21

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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.