Home / 850,991,719.80-1,276,529,570.10-442,845,031.80

Finding the Fourth Proportional to 850,991,719.80, 1,276,529,570.10 and 442,845,031.80

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Solution

The fourth proportional to 850,991,719.80, 1,276,529,570.10 and 442,845,031.80 is: 664,289,398.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    850,991,719.80 : 1,276,529,570.10 = 442,845,031.80 : x
  2. Step 2: Convert to fraction form
    850,991,719.80/1,276,529,570.10 = 442,845,031.80/x
  3. Step 3: Cross multiply
    850,991,719.80x = 1,276,529,570.10 × 442,845,031.80
  4. Step 4: Simplify right side
    850,991,719.80x = 565,304,778,064,574,784
  5. Step 5: Solve for x
    x = 565,304,778,064,574,784/850,991,719.80
  6. Step 6: Final answer
    x = 664,289,398.96

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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.