Home / 1,130,767,103.52-1,696,188,446.40-312,810,907.68

Finding the Fourth Proportional to 1,130,767,103.52, 1,696,188,446.40 and 312,810,907.68

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Solution

The fourth proportional to 1,130,767,103.52, 1,696,188,446.40 and 312,810,907.68 is: 469,226,815.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,130,767,103.52 : 1,696,188,446.40 = 312,810,907.68 : x
  2. Step 2: Convert to fraction form
    1,130,767,103.52/1,696,188,446.40 = 312,810,907.68/x
  3. Step 3: Cross multiply
    1,130,767,103.52x = 1,696,188,446.40 × 312,810,907.68
  4. Step 4: Simplify right side
    1,130,767,103.52x = 530,586,247,514,713,088
  5. Step 5: Solve for x
    x = 530,586,247,514,713,088/1,130,767,103.52
  6. Step 6: Final answer
    x = 469,226,815.90

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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.