Home / 31,866,773,325.81-43,980,003,406.15-18,136,904,803.50

Finding the Fourth Proportional to 31,866,773,325.81, 43,980,003,406.15 and 18,136,904,803.50

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Solution

The fourth proportional to 31,866,773,325.81, 43,980,003,406.15 and 18,136,904,803.50 is: 25,031,123,386.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,866,773,325.81 : 43,980,003,406.15 = 18,136,904,803.50 : x
  2. Step 2: Convert to fraction form
    31,866,773,325.81/43,980,003,406.15 = 18,136,904,803.50/x
  3. Step 3: Cross multiply
    31,866,773,325.81x = 43,980,003,406.15 × 18,136,904,803.50
  4. Step 4: Simplify right side
    31,866,773,325.81x = 797,661,135,034,857,553,920
  5. Step 5: Solve for x
    x = 797,661,135,034,857,553,920/31,866,773,325.81
  6. Step 6: Final answer
    x = 25,031,123,386.09

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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.