Home / 1,206,105,376.10-1,808,643,894.98-458,993,660.88

Finding the Fourth Proportional to 1,206,105,376.10, 1,808,643,894.98 and 458,993,660.88

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Solution

The fourth proportional to 1,206,105,376.10, 1,808,643,894.98 and 458,993,660.88 is: 688,294,819.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,206,105,376.10 : 1,808,643,894.98 = 458,993,660.88 : x
  2. Step 2: Convert to fraction form
    1,206,105,376.10/1,808,643,894.98 = 458,993,660.88/x
  3. Step 3: Cross multiply
    1,206,105,376.10x = 1,808,643,894.98 × 458,993,660.88
  4. Step 4: Simplify right side
    1,206,105,376.10x = 830,156,082,585,132,416
  5. Step 5: Solve for x
    x = 830,156,082,585,132,416/1,206,105,376.10
  6. Step 6: Final answer
    x = 688,294,819.87

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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.