Home / 550,411,611.30-826,849,135.35-459,712,347.30

Finding the Fourth Proportional to 550,411,611.30, 826,849,135.35 and 459,712,347.30

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Solution

The fourth proportional to 550,411,611.30, 826,849,135.35 and 459,712,347.30 is: 690,597,271.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,411,611.30 : 826,849,135.35 = 459,712,347.30 : x
  2. Step 2: Convert to fraction form
    550,411,611.30/826,849,135.35 = 459,712,347.30/x
  3. Step 3: Cross multiply
    550,411,611.30x = 826,849,135.35 × 459,712,347.30
  4. Step 4: Simplify right side
    550,411,611.30x = 380,112,756,874,723,904
  5. Step 5: Solve for x
    x = 380,112,756,874,723,904/550,411,611.30
  6. Step 6: Final answer
    x = 690,597,271.33

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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.