Home / 85,018,632,241.59-127,528,425,094.41-28,358,339,693.85

Finding the Fourth Proportional to 85,018,632,241.59, 127,528,425,094.41 and 28,358,339,693.85

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Solution

The fourth proportional to 85,018,632,241.59, 127,528,425,094.41 and 28,358,339,693.85 is: 42,537,668,556.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,018,632,241.59 : 127,528,425,094.41 = 28,358,339,693.85 : x
  2. Step 2: Convert to fraction form
    85,018,632,241.59/127,528,425,094.41 = 28,358,339,693.85/x
  3. Step 3: Cross multiply
    85,018,632,241.59x = 127,528,425,094.41 × 28,358,339,693.85
  4. Step 4: Simplify right side
    85,018,632,241.59x = 3,616,494,399,448,983,535,616
  5. Step 5: Solve for x
    x = 3,616,494,399,448,983,535,616/85,018,632,241.59
  6. Step 6: Final answer
    x = 42,537,668,556.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.