Home / 1,037,992,561.08-1,432,433,530.63-561,682,934.21

Finding the Fourth Proportional to 1,037,992,561.08, 1,432,433,530.63 and 561,682,934.21

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Solution

The fourth proportional to 1,037,992,561.08, 1,432,433,530.63 and 561,682,934.21 is: 775,124,503.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,037,992,561.08 : 1,432,433,530.63 = 561,682,934.21 : x
  2. Step 2: Convert to fraction form
    1,037,992,561.08/1,432,433,530.63 = 561,682,934.21/x
  3. Step 3: Cross multiply
    1,037,992,561.08x = 1,432,433,530.63 × 561,682,934.21
  4. Step 4: Simplify right side
    1,037,992,561.08x = 804,573,468,546,157,952
  5. Step 5: Solve for x
    x = 804,573,468,546,157,952/1,037,992,561.08
  6. Step 6: Final answer
    x = 775,124,503.51

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Double scale
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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.