Home / 945,471,011.76-1,418,258,241.30-392,829,316.92

Finding the Fourth Proportional to 945,471,011.76, 1,418,258,241.30 and 392,829,316.92

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Solution

The fourth proportional to 945,471,011.76, 1,418,258,241.30 and 392,829,316.92 is: 589,265,465.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    945,471,011.76 : 1,418,258,241.30 = 392,829,316.92 : x
  2. Step 2: Convert to fraction form
    945,471,011.76/1,418,258,241.30 = 392,829,316.92/x
  3. Step 3: Cross multiply
    945,471,011.76x = 1,418,258,241.30 × 392,829,316.92
  4. Step 4: Simplify right side
    945,471,011.76x = 557,133,416,146,039,552
  5. Step 5: Solve for x
    x = 557,133,416,146,039,552/945,471,011.76
  6. Step 6: Final answer
    x = 589,265,465.80

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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.