Home / 516,733,864.40-713,094,972.36-307,994,920.40

Finding the Fourth Proportional to 516,733,864.40, 713,094,972.36 and 307,994,920.40

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Solution

The fourth proportional to 516,733,864.40, 713,094,972.36 and 307,994,920.40 is: 425,034,324.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    516,733,864.40 : 713,094,972.36 = 307,994,920.40 : x
  2. Step 2: Convert to fraction form
    516,733,864.40/713,094,972.36 = 307,994,920.40/x
  3. Step 3: Cross multiply
    516,733,864.40x = 713,094,972.36 × 307,994,920.40
  4. Step 4: Simplify right side
    516,733,864.40x = 219,629,629,249,658,400
  5. Step 5: Solve for x
    x = 219,629,629,249,658,400/516,733,864.40
  6. Step 6: Final answer
    x = 425,034,324.98

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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.