Home / 874,611,048.25-1,206,977,586.02-522,217,833.13

Finding the Fourth Proportional to 874,611,048.25, 1,206,977,586.02 and 522,217,833.13

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Solution

The fourth proportional to 874,611,048.25, 1,206,977,586.02 and 522,217,833.13 is: 720,669,171.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    874,611,048.25 : 1,206,977,586.02 = 522,217,833.13 : x
  2. Step 2: Convert to fraction form
    874,611,048.25/1,206,977,586.02 = 522,217,833.13/x
  3. Step 3: Cross multiply
    874,611,048.25x = 1,206,977,586.02 × 522,217,833.13
  4. Step 4: Simplify right side
    874,611,048.25x = 630,305,219,607,842,560
  5. Step 5: Solve for x
    x = 630,305,219,607,842,560/874,611,048.25
  6. Step 6: Final answer
    x = 720,669,171.59

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Double scale
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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.