Home / 514,202,659.78-709,816,815.93-347,165,198.98

Finding the Fourth Proportional to 514,202,659.78, 709,816,815.93 and 347,165,198.98

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Solution

The fourth proportional to 514,202,659.78, 709,816,815.93 and 347,165,198.98 is: 479,234,580.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    514,202,659.78 : 709,816,815.93 = 347,165,198.98 : x
  2. Step 2: Convert to fraction form
    514,202,659.78/709,816,815.93 = 347,165,198.98/x
  3. Step 3: Cross multiply
    514,202,659.78x = 709,816,815.93 × 347,165,198.98
  4. Step 4: Simplify right side
    514,202,659.78x = 246,423,696,141,688,480
  5. Step 5: Solve for x
    x = 246,423,696,141,688,480/514,202,659.78
  6. Step 6: Final answer
    x = 479,234,580.87

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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.