Home / 1,289,439,500.91-1,779,432,537.23-732,553,105.83

Finding the Fourth Proportional to 1,289,439,500.91, 1,779,432,537.23 and 732,553,105.83

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Solution

The fourth proportional to 1,289,439,500.91, 1,779,432,537.23 and 732,553,105.83 is: 1,010,926,709.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,289,439,500.91 : 1,779,432,537.23 = 732,553,105.83 : x
  2. Step 2: Convert to fraction form
    1,289,439,500.91/1,779,432,537.23 = 732,553,105.83/x
  3. Step 3: Cross multiply
    1,289,439,500.91x = 1,779,432,537.23 × 732,553,105.83
  4. Step 4: Simplify right side
    1,289,439,500.91x = 1,303,528,831,762,793,728
  5. Step 5: Solve for x
    x = 1,303,528,831,762,793,728/1,289,439,500.91
  6. Step 6: Final answer
    x = 1,010,926,709.51

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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.