Home / 572,942,446,624.50-790,663,034,440.05-312,525,830,906.55

Finding the Fourth Proportional to 572,942,446,624.50, 790,663,034,440.05 and 312,525,830,906.55

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Solution

The fourth proportional to 572,942,446,624.50, 790,663,034,440.05 and 312,525,830,906.55 is: 431,286,987,482.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,942,446,624.50 : 790,663,034,440.05 = 312,525,830,906.55 : x
  2. Step 2: Convert to fraction form
    572,942,446,624.50/790,663,034,440.05 = 312,525,830,906.55/x
  3. Step 3: Cross multiply
    572,942,446,624.50x = 790,663,034,440.05 × 312,525,830,906.55
  4. Step 4: Simplify right side
    572,942,446,624.50x = 247,102,621,805,470,789,140,480
  5. Step 5: Solve for x
    x = 247,102,621,805,470,789,140,480/572,942,446,624.50
  6. Step 6: Final answer
    x = 431,286,987,482.39

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Double scale
Find fourth proportional to 572,942,446,625.50, 790,663,034,441.43 and 312,525,830,907.55
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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.