Home / 769,812,031.80-1,152,167,130.90-708,590,028.60

Finding the Fourth Proportional to 769,812,031.80, 1,152,167,130.90 and 708,590,028.60

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Solution

The fourth proportional to 769,812,031.80, 1,152,167,130.90 and 708,590,028.60 is: 1,060,536,996.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    769,812,031.80 : 1,152,167,130.90 = 708,590,028.60 : x
  2. Step 2: Convert to fraction form
    769,812,031.80/1,152,167,130.90 = 708,590,028.60/x
  3. Step 3: Cross multiply
    769,812,031.80x = 1,152,167,130.90 × 708,590,028.60
  4. Step 4: Simplify right side
    769,812,031.80x = 816,414,140,236,411,008
  5. Step 5: Solve for x
    x = 816,414,140,236,411,008/769,812,031.80
  6. Step 6: Final answer
    x = 1,060,536,996.71

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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.