Home / 1,133,139,628.90-1,699,709,443.35-672,840,864.10

Finding the Fourth Proportional to 1,133,139,628.90, 1,699,709,443.35 and 672,840,864.10

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Solution

The fourth proportional to 1,133,139,628.90, 1,699,709,443.35 and 672,840,864.10 is: 1,009,261,296.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,133,139,628.90 : 1,699,709,443.35 = 672,840,864.10 : x
  2. Step 2: Convert to fraction form
    1,133,139,628.90/1,699,709,443.35 = 672,840,864.10/x
  3. Step 3: Cross multiply
    1,133,139,628.90x = 1,699,709,443.35 × 672,840,864.10
  4. Step 4: Simplify right side
    1,133,139,628.90x = 1,143,633,970,582,544,000
  5. Step 5: Solve for x
    x = 1,143,633,970,582,544,000/1,133,139,628.90
  6. Step 6: Final answer
    x = 1,009,261,296.15

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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.