Home / 47,030,544,029.40-70,545,816,044.10-20,909,155,997.40

Finding the Fourth Proportional to 47,030,544,029.40, 70,545,816,044.10 and 20,909,155,997.40

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Solution

The fourth proportional to 47,030,544,029.40, 70,545,816,044.10 and 20,909,155,997.40 is: 31,363,733,996.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,030,544,029.40 : 70,545,816,044.10 = 20,909,155,997.40 : x
  2. Step 2: Convert to fraction form
    47,030,544,029.40/70,545,816,044.10 = 20,909,155,997.40/x
  3. Step 3: Cross multiply
    47,030,544,029.40x = 70,545,816,044.10 × 20,909,155,997.40
  4. Step 4: Simplify right side
    47,030,544,029.40x = 1,475,053,472,629,970,960,384
  5. Step 5: Solve for x
    x = 1,475,053,472,629,970,960,384/47,030,544,029.40
  6. Step 6: Final answer
    x = 31,363,733,996.10

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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.