Home / 931,662,141.40-1,397,493,212.10-925,615,523.80

Finding the Fourth Proportional to 931,662,141.40, 1,397,493,212.10 and 925,615,523.80

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Solution

The fourth proportional to 931,662,141.40, 1,397,493,212.10 and 925,615,523.80 is: 1,388,423,285.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    931,662,141.40 : 1,397,493,212.10 = 925,615,523.80 : x
  2. Step 2: Convert to fraction form
    931,662,141.40/1,397,493,212.10 = 925,615,523.80/x
  3. Step 3: Cross multiply
    931,662,141.40x = 1,397,493,212.10 × 925,615,523.80
  4. Step 4: Simplify right side
    931,662,141.40x = 1,293,541,411,524,885,760
  5. Step 5: Solve for x
    x = 1,293,541,411,524,885,760/931,662,141.40
  6. Step 6: Final answer
    x = 1,388,423,285.70

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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.