Home / 30,835,348,005.62-42,566,723,289.95-19,420,692,343.71

Finding the Fourth Proportional to 30,835,348,005.62, 42,566,723,289.95 and 19,420,692,343.71

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Solution

The fourth proportional to 30,835,348,005.62, 42,566,723,289.95 and 19,420,692,343.71 is: 26,809,337,029.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,835,348,005.62 : 42,566,723,289.95 = 19,420,692,343.71 : x
  2. Step 2: Convert to fraction form
    30,835,348,005.62/42,566,723,289.95 = 19,420,692,343.71/x
  3. Step 3: Cross multiply
    30,835,348,005.62x = 42,566,723,289.95 × 19,420,692,343.71
  4. Step 4: Simplify right side
    30,835,348,005.62x = 826,675,237,093,856,903,168
  5. Step 5: Solve for x
    x = 826,675,237,093,856,903,168/30,835,348,005.62
  6. Step 6: Final answer
    x = 26,809,337,029.16

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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.