Home / 1,036,638,154.05-1,554,957,231.08-649,217,665.05

Finding the Fourth Proportional to 1,036,638,154.05, 1,554,957,231.08 and 649,217,665.05

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Solution

The fourth proportional to 1,036,638,154.05, 1,554,957,231.08 and 649,217,665.05 is: 973,826,497.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,036,638,154.05 : 1,554,957,231.08 = 649,217,665.05 : x
  2. Step 2: Convert to fraction form
    1,036,638,154.05/1,554,957,231.08 = 649,217,665.05/x
  3. Step 3: Cross multiply
    1,036,638,154.05x = 1,554,957,231.08 × 649,217,665.05
  4. Step 4: Simplify right side
    1,036,638,154.05x = 1,009,505,702,811,124,736
  5. Step 5: Solve for x
    x = 1,009,505,702,811,124,736/1,036,638,154.05
  6. Step 6: Final answer
    x = 973,826,497.58

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Half scale
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Double scale
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Similar ratio
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1.5x scale

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.