Home / 581,513,198.87-802,490,709.35-317,200,951.91

Finding the Fourth Proportional to 581,513,198.87, 802,490,709.35 and 317,200,951.91

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Solution

The fourth proportional to 581,513,198.87, 802,490,709.35 and 317,200,951.91 is: 437,738,674.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    581,513,198.87 : 802,490,709.35 = 317,200,951.91 : x
  2. Step 2: Convert to fraction form
    581,513,198.87/802,490,709.35 = 317,200,951.91/x
  3. Step 3: Cross multiply
    581,513,198.87x = 802,490,709.35 × 317,200,951.91
  4. Step 4: Simplify right side
    581,513,198.87x = 254,550,816,907,550,368
  5. Step 5: Solve for x
    x = 254,550,816,907,550,368/581,513,198.87
  6. Step 6: Final answer
    x = 437,738,674.55

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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.