Home / 1,527,684,358.76-2,106,536,141.22-1,031,786,121.32

Finding the Fourth Proportional to 1,527,684,358.76, 2,106,536,141.22 and 1,031,786,121.32

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Solution

The fourth proportional to 1,527,684,358.76, 2,106,536,141.22 and 1,031,786,121.32 is: 1,422,738,108.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,527,684,358.76 : 2,106,536,141.22 = 1,031,786,121.32 : x
  2. Step 2: Convert to fraction form
    1,527,684,358.76/2,106,536,141.22 = 1,031,786,121.32/x
  3. Step 3: Cross multiply
    1,527,684,358.76x = 2,106,536,141.22 × 1,031,786,121.32
  4. Step 4: Simplify right side
    1,527,684,358.76x = 2,173,494,754,569,783,808
  5. Step 5: Solve for x
    x = 2,173,494,754,569,783,808/1,527,684,358.76
  6. Step 6: Final answer
    x = 1,422,738,108.24

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Double scale
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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.