Home / 727,823,188.72-1,090,623,867.18-432,136,041.04

Finding the Fourth Proportional to 727,823,188.72, 1,090,623,867.18 and 432,136,041.04

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Solution

The fourth proportional to 727,823,188.72, 1,090,623,867.18 and 432,136,041.04 is: 647,544,468.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,823,188.72 : 1,090,623,867.18 = 432,136,041.04 : x
  2. Step 2: Convert to fraction form
    727,823,188.72/1,090,623,867.18 = 432,136,041.04/x
  3. Step 3: Cross multiply
    727,823,188.72x = 1,090,623,867.18 × 432,136,041.04
  4. Step 4: Simplify right side
    727,823,188.72x = 471,297,880,226,900,032
  5. Step 5: Solve for x
    x = 471,297,880,226,900,032/727,823,188.72
  6. Step 6: Final answer
    x = 647,544,468.95

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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.