Home / 1,435,395,175.50-1,980,846,139.23-775,345,459.98

Finding the Fourth Proportional to 1,435,395,175.50, 1,980,846,139.23 and 775,345,459.98

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Solution

The fourth proportional to 1,435,395,175.50, 1,980,846,139.23 and 775,345,459.98 is: 1,069,977,165.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,435,395,175.50 : 1,980,846,139.23 = 775,345,459.98 : x
  2. Step 2: Convert to fraction form
    1,435,395,175.50/1,980,846,139.23 = 775,345,459.98/x
  3. Step 3: Cross multiply
    1,435,395,175.50x = 1,980,846,139.23 × 775,345,459.98
  4. Step 4: Simplify right side
    1,435,395,175.50x = 1,535,840,060,970,891,520
  5. Step 5: Solve for x
    x = 1,535,840,060,970,891,520/1,435,395,175.50
  6. Step 6: Final answer
    x = 1,069,977,165.30

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.