Home / 873,839,400.35-1,310,770,459.40-291,573,645.92

Finding the Fourth Proportional to 873,839,400.35, 1,310,770,459.40 and 291,573,645.92

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Solution

The fourth proportional to 873,839,400.35, 1,310,770,459.40 and 291,573,645.92 is: 437,364,258.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    873,839,400.35 : 1,310,770,459.40 = 291,573,645.92 : x
  2. Step 2: Convert to fraction form
    873,839,400.35/1,310,770,459.40 = 291,573,645.92/x
  3. Step 3: Cross multiply
    873,839,400.35x = 1,310,770,459.40 × 291,573,645.92
  4. Step 4: Simplify right side
    873,839,400.35x = 382,186,121,803,479,616
  5. Step 5: Solve for x
    x = 382,186,121,803,479,616/873,839,400.35
  6. Step 6: Final answer
    x = 437,364,258.98

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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.