Home / 18,169,596,384.40-27,254,394,576.60-7,128,472,646.80

Finding the Fourth Proportional to 18,169,596,384.40, 27,254,394,576.60 and 7,128,472,646.80

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Solution

The fourth proportional to 18,169,596,384.40, 27,254,394,576.60 and 7,128,472,646.80 is: 10,692,708,970.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,169,596,384.40 : 27,254,394,576.60 = 7,128,472,646.80 : x
  2. Step 2: Convert to fraction form
    18,169,596,384.40/27,254,394,576.60 = 7,128,472,646.80/x
  3. Step 3: Cross multiply
    18,169,596,384.40x = 27,254,394,576.60 × 7,128,472,646.80
  4. Step 4: Simplify right side
    18,169,596,384.40x = 194,282,206,244,387,356,672
  5. Step 5: Solve for x
    x = 194,282,206,244,387,356,672/18,169,596,384.40
  6. Step 6: Final answer
    x = 10,692,708,970.20

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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.