Home / 969,525,678.72-1,337,946,933.60-551,837,959.68

Finding the Fourth Proportional to 969,525,678.72, 1,337,946,933.60 and 551,837,959.68

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Solution

The fourth proportional to 969,525,678.72, 1,337,946,933.60 and 551,837,959.68 is: 761,537,236.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    969,525,678.72 : 1,337,946,933.60 = 551,837,959.68 : x
  2. Step 2: Convert to fraction form
    969,525,678.72/1,337,946,933.60 = 551,837,959.68/x
  3. Step 3: Cross multiply
    969,525,678.72x = 1,337,946,933.60 × 551,837,959.68
  4. Step 4: Simplify right side
    969,525,678.72x = 738,329,905,997,936,256
  5. Step 5: Solve for x
    x = 738,329,905,997,936,256/969,525,678.72
  6. Step 6: Final answer
    x = 761,537,236.41

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1.5x scale

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.