Home / 874,611,049.26-1,206,977,587.40-522,217,834.14

Finding the Fourth Proportional to 874,611,049.26, 1,206,977,587.40 and 522,217,834.14

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Solution

The fourth proportional to 874,611,049.26, 1,206,977,587.40 and 522,217,834.14 is: 720,669,172.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    874,611,049.26 : 1,206,977,587.40 = 522,217,834.14 : x
  2. Step 2: Convert to fraction form
    874,611,049.26/1,206,977,587.40 = 522,217,834.14/x
  3. Step 3: Cross multiply
    874,611,049.26x = 1,206,977,587.40 × 522,217,834.14
  4. Step 4: Simplify right side
    874,611,049.26x = 630,305,221,547,550,592
  5. Step 5: Solve for x
    x = 630,305,221,547,550,592/874,611,049.26
  6. Step 6: Final answer
    x = 720,669,172.98

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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.