Home / 581,857,640.68-802,980,567.30-317,556,585.64

Finding the Fourth Proportional to 581,857,640.68, 802,980,567.30 and 317,556,585.64

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Solution

The fourth proportional to 581,857,640.68, 802,980,567.30 and 317,556,585.64 is: 438,237,378.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    581,857,640.68 : 802,980,567.30 = 317,556,585.64 : x
  2. Step 2: Convert to fraction form
    581,857,640.68/802,980,567.30 = 317,556,585.64/x
  3. Step 3: Cross multiply
    581,857,640.68x = 802,980,567.30 × 317,556,585.64
  4. Step 4: Simplify right side
    581,857,640.68x = 254,991,767,287,058,208
  5. Step 5: Solve for x
    x = 254,991,767,287,058,208/581,857,640.68
  6. Step 6: Final answer
    x = 438,237,378.80

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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.