Home / 340,451,952.54-469,809,178.40-189,736,588.55

Finding the Fourth Proportional to 340,451,952.54, 469,809,178.40 and 189,736,588.55

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Solution

The fourth proportional to 340,451,952.54, 469,809,178.40 and 189,736,588.55 is: 261,828,402.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,451,952.54 : 469,809,178.40 = 189,736,588.55 : x
  2. Step 2: Convert to fraction form
    340,451,952.54/469,809,178.40 = 189,736,588.55/x
  3. Step 3: Cross multiply
    340,451,952.54x = 469,809,178.40 × 189,736,588.55
  4. Step 4: Simplify right side
    340,451,952.54x = 89,139,990,779,094,352
  5. Step 5: Solve for x
    x = 89,139,990,779,094,352/340,451,952.54
  6. Step 6: Final answer
    x = 261,828,402.26

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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.