Home / 875,738,385,479.80-1,314,104,503,756.90-472,816,490,168.42

Finding the Fourth Proportional to 875,738,385,479.80, 1,314,104,503,756.90 and 472,816,490,168.42

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Solution

The fourth proportional to 875,738,385,479.80, 1,314,104,503,756.90 and 472,816,490,168.42 is: 709,493,028,377.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    875,738,385,479.80 : 1,314,104,503,756.90 = 472,816,490,168.42 : x
  2. Step 2: Convert to fraction form
    875,738,385,479.80/1,314,104,503,756.90 = 472,816,490,168.42/x
  3. Step 3: Cross multiply
    875,738,385,479.80x = 1,314,104,503,756.90 × 472,816,490,168.42
  4. Step 4: Simplify right side
    875,738,385,479.80x = 621,330,279,180,850,648,055,808
  5. Step 5: Solve for x
    x = 621,330,279,180,850,648,055,808/875,738,385,479.80
  6. Step 6: Final answer
    x = 709,493,028,377.92

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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.