Home / 579,330,776.52-799,470,954.78-315,012,949.08

Finding the Fourth Proportional to 579,330,776.52, 799,470,954.78 and 315,012,949.08

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Solution

The fourth proportional to 579,330,776.52, 799,470,954.78 and 315,012,949.08 is: 434,714,869.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,330,776.52 : 799,470,954.78 = 315,012,949.08 : x
  2. Step 2: Convert to fraction form
    579,330,776.52/799,470,954.78 = 315,012,949.08/x
  3. Step 3: Cross multiply
    579,330,776.52x = 799,470,954.78 × 315,012,949.08
  4. Step 4: Simplify right side
    579,330,776.52x = 251,843,703,169,051,104
  5. Step 5: Solve for x
    x = 251,843,703,169,051,104/579,330,776.52
  6. Step 6: Final answer
    x = 434,714,869.94

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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.