Home / 479,260,312,310.70-661,400,020,960.23-265,404,202,382.71

Finding the Fourth Proportional to 479,260,312,310.70, 661,400,020,960.23 and 265,404,202,382.71

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Solution

The fourth proportional to 479,260,312,310.70, 661,400,020,960.23 and 265,404,202,382.71 is: 366,269,312,333.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,260,312,310.70 : 661,400,020,960.23 = 265,404,202,382.71 : x
  2. Step 2: Convert to fraction form
    479,260,312,310.70/661,400,020,960.23 = 265,404,202,382.71/x
  3. Step 3: Cross multiply
    479,260,312,310.70x = 661,400,020,960.23 × 265,404,202,382.71
  4. Step 4: Simplify right side
    479,260,312,310.70x = 175,538,345,018,857,506,209,792
  5. Step 5: Solve for x
    x = 175,538,345,018,857,506,209,792/479,260,312,310.70
  6. Step 6: Final answer
    x = 366,269,312,333.67

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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.