Home / 579,871,664.58-800,223,015.60-319,111,280.58

Finding the Fourth Proportional to 579,871,664.58, 800,223,015.60 and 319,111,280.58

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Solution

The fourth proportional to 579,871,664.58, 800,223,015.60 and 319,111,280.58 is: 440,373,632.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,871,664.58 : 800,223,015.60 = 319,111,280.58 : x
  2. Step 2: Convert to fraction form
    579,871,664.58/800,223,015.60 = 319,111,280.58/x
  3. Step 3: Cross multiply
    579,871,664.58x = 800,223,015.60 × 319,111,280.58
  4. Step 4: Simplify right side
    579,871,664.58x = 255,360,191,257,705,312
  5. Step 5: Solve for x
    x = 255,360,191,257,705,312/579,871,664.58
  6. Step 6: Final answer
    x = 440,373,632.40

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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.