Home / 1,039,388,891.72-1,434,003,557.44-593,031,595.80

Finding the Fourth Proportional to 1,039,388,891.72, 1,434,003,557.44 and 593,031,595.80

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Solution

The fourth proportional to 1,039,388,891.72, 1,434,003,557.44 and 593,031,595.80 is: 818,182,130.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,039,388,891.72 : 1,434,003,557.44 = 593,031,595.80 : x
  2. Step 2: Convert to fraction form
    1,039,388,891.72/1,434,003,557.44 = 593,031,595.80/x
  3. Step 3: Cross multiply
    1,039,388,891.72x = 1,434,003,557.44 × 593,031,595.80
  4. Step 4: Simplify right side
    1,039,388,891.72x = 850,409,418,051,520,128
  5. Step 5: Solve for x
    x = 850,409,418,051,520,128/1,039,388,891.72
  6. Step 6: Final answer
    x = 818,182,130.70

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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.