Home / 579,871,643.58-800,222,986.53-319,111,259.58

Finding the Fourth Proportional to 579,871,643.58, 800,222,986.53 and 319,111,259.58

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Solution

The fourth proportional to 579,871,643.58, 800,222,986.53 and 319,111,259.58 is: 440,373,603.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,871,643.58 : 800,222,986.53 = 319,111,259.58 : x
  2. Step 2: Convert to fraction form
    579,871,643.58/800,222,986.53 = 319,111,259.58/x
  3. Step 3: Cross multiply
    579,871,643.58x = 800,222,986.53 × 319,111,259.58
  4. Step 4: Simplify right side
    579,871,643.58x = 255,360,165,176,457,664
  5. Step 5: Solve for x
    x = 255,360,165,176,457,664/579,871,643.58
  6. Step 6: Final answer
    x = 440,373,603.37

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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.