Home / 688,626,330.09-1,032,327,777.52-268,350,415.25

Finding the Fourth Proportional to 688,626,330.09, 1,032,327,777.52 and 268,350,415.25

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Solution

The fourth proportional to 688,626,330.09, 1,032,327,777.52 and 268,350,415.25 is: 402,287,242.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    688,626,330.09 : 1,032,327,777.52 = 268,350,415.25 : x
  2. Step 2: Convert to fraction form
    688,626,330.09/1,032,327,777.52 = 268,350,415.25/x
  3. Step 3: Cross multiply
    688,626,330.09x = 1,032,327,777.52 × 268,350,415.25
  4. Step 4: Simplify right side
    688,626,330.09x = 277,025,587,771,601,600
  5. Step 5: Solve for x
    x = 277,025,587,771,601,600/688,626,330.09
  6. Step 6: Final answer
    x = 402,287,242.97

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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.