Home / 1,133,139,615.40-1,699,709,423.10-672,840,850.60

Finding the Fourth Proportional to 1,133,139,615.40, 1,699,709,423.10 and 672,840,850.60

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Solution

The fourth proportional to 1,133,139,615.40, 1,699,709,423.10 and 672,840,850.60 is: 1,009,261,275.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,133,139,615.40 : 1,699,709,423.10 = 672,840,850.60 : x
  2. Step 2: Convert to fraction form
    1,133,139,615.40/1,699,709,423.10 = 672,840,850.60/x
  3. Step 3: Cross multiply
    1,133,139,615.40x = 1,699,709,423.10 × 672,840,850.60
  4. Step 4: Simplify right side
    1,133,139,615.40x = 1,143,633,934,011,439,232
  5. Step 5: Solve for x
    x = 1,143,633,934,011,439,232/1,133,139,615.40
  6. Step 6: Final answer
    x = 1,009,261,275.90

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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.