Home / 679,210,929.52-937,314,256.90-385,871,593.84

Finding the Fourth Proportional to 679,210,929.52, 937,314,256.90 and 385,871,593.84

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Solution

The fourth proportional to 679,210,929.52, 937,314,256.90 and 385,871,593.84 is: 532,504,602.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    679,210,929.52 : 937,314,256.90 = 385,871,593.84 : x
  2. Step 2: Convert to fraction form
    679,210,929.52/937,314,256.90 = 385,871,593.84/x
  3. Step 3: Cross multiply
    679,210,929.52x = 937,314,256.90 × 385,871,593.84
  4. Step 4: Simplify right side
    679,210,929.52x = 361,682,946,238,958,208
  5. Step 5: Solve for x
    x = 361,682,946,238,958,208/679,210,929.52
  6. Step 6: Final answer
    x = 532,504,602.80

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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.