Home / 28,832,658,317.33-39,793,099,509.65-20,829,890,665.49

Finding the Fourth Proportional to 28,832,658,317.33, 39,793,099,509.65 and 20,829,890,665.49

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Solution

The fourth proportional to 28,832,658,317.33, 39,793,099,509.65 and 20,829,890,665.49 is: 28,748,161,300.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,832,658,317.33 : 39,793,099,509.65 = 20,829,890,665.49 : x
  2. Step 2: Convert to fraction form
    28,832,658,317.33/39,793,099,509.65 = 20,829,890,665.49/x
  3. Step 3: Cross multiply
    28,832,658,317.33x = 39,793,099,509.65 × 20,829,890,665.49
  4. Step 4: Simplify right side
    28,832,658,317.33x = 828,885,912,026,836,762,624
  5. Step 5: Solve for x
    x = 828,885,912,026,836,762,624/28,832,658,317.33
  6. Step 6: Final answer
    x = 28,748,161,300.44

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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.