Home / 720,072,141.70-1,080,108,212.55-708,593,016.10

Finding the Fourth Proportional to 720,072,141.70, 1,080,108,212.55 and 708,593,016.10

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Solution

The fourth proportional to 720,072,141.70, 1,080,108,212.55 and 708,593,016.10 is: 1,062,889,524.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    720,072,141.70 : 1,080,108,212.55 = 708,593,016.10 : x
  2. Step 2: Convert to fraction form
    720,072,141.70/1,080,108,212.55 = 708,593,016.10/x
  3. Step 3: Cross multiply
    720,072,141.70x = 1,080,108,212.55 × 708,593,016.10
  4. Step 4: Simplify right side
    720,072,141.70x = 765,357,136,045,184,384
  5. Step 5: Solve for x
    x = 765,357,136,045,184,384/720,072,141.70
  6. Step 6: Final answer
    x = 1,062,889,524.15

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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.