Home / 1,057,043,397.20-1,586,131,966.20-443,689,624.40

Finding the Fourth Proportional to 1,057,043,397.20, 1,586,131,966.20 and 443,689,624.40

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Solution

The fourth proportional to 1,057,043,397.20, 1,586,131,966.20 and 443,689,624.40 is: 665,772,378.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,057,043,397.20 : 1,586,131,966.20 = 443,689,624.40 : x
  2. Step 2: Convert to fraction form
    1,057,043,397.20/1,586,131,966.20 = 443,689,624.40/x
  3. Step 3: Cross multiply
    1,057,043,397.20x = 1,586,131,966.20 × 443,689,624.40
  4. Step 4: Simplify right side
    1,057,043,397.20x = 703,750,296,332,111,488
  5. Step 5: Solve for x
    x = 703,750,296,332,111,488/1,057,043,397.20
  6. Step 6: Final answer
    x = 665,772,378.12

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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.