Home / 579,871,654.60-800,223,001.74-319,111,270.60

Finding the Fourth Proportional to 579,871,654.60, 800,223,001.74 and 319,111,270.60

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Solution

The fourth proportional to 579,871,654.60, 800,223,001.74 and 319,111,270.60 is: 440,373,618.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,871,654.60 : 800,223,001.74 = 319,111,270.60 : x
  2. Step 2: Convert to fraction form
    579,871,654.60/800,223,001.74 = 319,111,270.60/x
  3. Step 3: Cross multiply
    579,871,654.60x = 800,223,001.74 × 319,111,270.60
  4. Step 4: Simplify right side
    579,871,654.60x = 255,360,178,848,597,440
  5. Step 5: Solve for x
    x = 255,360,178,848,597,440/579,871,654.60
  6. Step 6: Final answer
    x = 440,373,618.58

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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.