Home / 28,125,656,071.24-38,795,750,516.75-16,686,125,927.64

Finding the Fourth Proportional to 28,125,656,071.24, 38,795,750,516.75 and 16,686,125,927.64

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Solution

The fourth proportional to 28,125,656,071.24, 38,795,750,516.75 and 16,686,125,927.64 is: 23,016,379,669.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,125,656,071.24 : 38,795,750,516.75 = 16,686,125,927.64 : x
  2. Step 2: Convert to fraction form
    28,125,656,071.24/38,795,750,516.75 = 16,686,125,927.64/x
  3. Step 3: Cross multiply
    28,125,656,071.24x = 38,795,750,516.75 × 16,686,125,927.64
  4. Step 4: Simplify right side
    28,125,656,071.24x = 647,350,778,579,795,050,496
  5. Step 5: Solve for x
    x = 647,350,778,579,795,050,496/28,125,656,071.24
  6. Step 6: Final answer
    x = 23,016,379,669.16

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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.