Home / 689,200,830.28-951,100,102.74-375,941,870.92

Finding the Fourth Proportional to 689,200,830.28, 951,100,102.74 and 375,941,870.92

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Solution

The fourth proportional to 689,200,830.28, 951,100,102.74 and 375,941,870.92 is: 518,801,394.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    689,200,830.28 : 951,100,102.74 = 375,941,870.92 : x
  2. Step 2: Convert to fraction form
    689,200,830.28/951,100,102.74 = 375,941,870.92/x
  3. Step 3: Cross multiply
    689,200,830.28x = 951,100,102.74 × 375,941,870.92
  4. Step 4: Simplify right side
    689,200,830.28x = 357,558,352,056,279,808
  5. Step 5: Solve for x
    x = 357,558,352,056,279,808/689,200,830.28
  6. Step 6: Final answer
    x = 518,801,394.81

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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.