Home / 522,676,862.03-784,011,805.39-211,779,891.23

Finding the Fourth Proportional to 522,676,862.03, 784,011,805.39 and 211,779,891.23

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Solution

The fourth proportional to 522,676,862.03, 784,011,805.39 and 211,779,891.23 is: 317,668,423.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    522,676,862.03 : 784,011,805.39 = 211,779,891.23 : x
  2. Step 2: Convert to fraction form
    522,676,862.03/784,011,805.39 = 211,779,891.23/x
  3. Step 3: Cross multiply
    522,676,862.03x = 784,011,805.39 × 211,779,891.23
  4. Step 4: Simplify right side
    522,676,862.03x = 166,037,934,863,551,168
  5. Step 5: Solve for x
    x = 166,037,934,863,551,168/522,676,862.03
  6. Step 6: Final answer
    x = 317,668,423.70

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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.