Home / 387,095,784.40-580,643,676.60-223,837,109.20

Finding the Fourth Proportional to 387,095,784.40, 580,643,676.60 and 223,837,109.20

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Solution

The fourth proportional to 387,095,784.40, 580,643,676.60 and 223,837,109.20 is: 335,755,663.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    387,095,784.40 : 580,643,676.60 = 223,837,109.20 : x
  2. Step 2: Convert to fraction form
    387,095,784.40/580,643,676.60 = 223,837,109.20/x
  3. Step 3: Cross multiply
    387,095,784.40x = 580,643,676.60 × 223,837,109.20
  4. Step 4: Simplify right side
    387,095,784.40x = 129,969,602,045,403,680
  5. Step 5: Solve for x
    x = 129,969,602,045,403,680/387,095,784.40
  6. Step 6: Final answer
    x = 335,755,663.80

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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.