Home / 896,508,000.40-1,344,762,000.60-550,339,142.80

Finding the Fourth Proportional to 896,508,000.40, 1,344,762,000.60 and 550,339,142.80

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Solution

The fourth proportional to 896,508,000.40, 1,344,762,000.60 and 550,339,142.80 is: 825,508,714.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    896,508,000.40 : 1,344,762,000.60 = 550,339,142.80 : x
  2. Step 2: Convert to fraction form
    896,508,000.40/1,344,762,000.60 = 550,339,142.80/x
  3. Step 3: Cross multiply
    896,508,000.40x = 1,344,762,000.60 × 550,339,142.80
  4. Step 4: Simplify right side
    896,508,000.40x = 740,075,166,680,216,960
  5. Step 5: Solve for x
    x = 740,075,166,680,216,960/896,508,000.40
  6. Step 6: Final answer
    x = 825,508,714.20

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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.