Home / 985,400,855.24-1,477,912,909.17-295,308,109.22

Finding the Fourth Proportional to 985,400,855.24, 1,477,912,909.17 and 295,308,109.22

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Solution

The fourth proportional to 985,400,855.24, 1,477,912,909.17 and 295,308,109.22 is: 442,905,711.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    985,400,855.24 : 1,477,912,909.17 = 295,308,109.22 : x
  2. Step 2: Convert to fraction form
    985,400,855.24/1,477,912,909.17 = 295,308,109.22/x
  3. Step 3: Cross multiply
    985,400,855.24x = 1,477,912,909.17 × 295,308,109.22
  4. Step 4: Simplify right side
    985,400,855.24x = 436,439,666,798,822,336
  5. Step 5: Solve for x
    x = 436,439,666,798,822,336/985,400,855.24
  6. Step 6: Final answer
    x = 442,905,711.39

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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.