Home / 572,942,446,467.52-790,663,034,223.62-312,525,830,749.54

Finding the Fourth Proportional to 572,942,446,467.52, 790,663,034,223.62 and 312,525,830,749.54

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Solution

The fourth proportional to 572,942,446,467.52, 790,663,034,223.62 and 312,525,830,749.54 is: 431,286,987,265.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,942,446,467.52 : 790,663,034,223.62 = 312,525,830,749.54 : x
  2. Step 2: Convert to fraction form
    572,942,446,467.52/790,663,034,223.62 = 312,525,830,749.54/x
  3. Step 3: Cross multiply
    572,942,446,467.52x = 790,663,034,223.62 × 312,525,830,749.54
  4. Step 4: Simplify right side
    572,942,446,467.52x = 247,102,621,613,688,788,877,312
  5. Step 5: Solve for x
    x = 247,102,621,613,688,788,877,312/572,942,446,467.52
  6. Step 6: Final answer
    x = 431,286,987,265.83

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Double scale
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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.