Home / 679,210,920.52-937,314,244.48-385,871,584.84

Finding the Fourth Proportional to 679,210,920.52, 937,314,244.48 and 385,871,584.84

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Solution

The fourth proportional to 679,210,920.52, 937,314,244.48 and 385,871,584.84 is: 532,504,590.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    679,210,920.52 : 937,314,244.48 = 385,871,584.84 : x
  2. Step 2: Convert to fraction form
    679,210,920.52/937,314,244.48 = 385,871,584.84/x
  3. Step 3: Cross multiply
    679,210,920.52x = 937,314,244.48 × 385,871,584.84
  4. Step 4: Simplify right side
    679,210,920.52x = 361,682,933,009,226,176
  5. Step 5: Solve for x
    x = 361,682,933,009,226,176/679,210,920.52
  6. Step 6: Final answer
    x = 532,504,590.38

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1.5x scale

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.