Home / 728,064,400.90-1,092,096,601.35-470,075,383.30

Finding the Fourth Proportional to 728,064,400.90, 1,092,096,601.35 and 470,075,383.30

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Solution

The fourth proportional to 728,064,400.90, 1,092,096,601.35 and 470,075,383.30 is: 705,113,074.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    728,064,400.90 : 1,092,096,601.35 = 470,075,383.30 : x
  2. Step 2: Convert to fraction form
    728,064,400.90/1,092,096,601.35 = 470,075,383.30/x
  3. Step 3: Cross multiply
    728,064,400.90x = 1,092,096,601.35 × 470,075,383.30
  4. Step 4: Simplify right side
    728,064,400.90x = 513,367,728,480,228,544
  5. Step 5: Solve for x
    x = 513,367,728,480,228,544/728,064,400.90
  6. Step 6: Final answer
    x = 705,113,074.95

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.