Home / 1,209,532,457.72-1,669,238,682.62-733,242,901.24

Finding the Fourth Proportional to 1,209,532,457.72, 1,669,238,682.62 and 733,242,901.24

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Solution

The fourth proportional to 1,209,532,457.72, 1,669,238,682.62 and 733,242,901.24 is: 1,011,926,060.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,209,532,457.72 : 1,669,238,682.62 = 733,242,901.24 : x
  2. Step 2: Convert to fraction form
    1,209,532,457.72/1,669,238,682.62 = 733,242,901.24/x
  3. Step 3: Cross multiply
    1,209,532,457.72x = 1,669,238,682.62 × 733,242,901.24
  4. Step 4: Simplify right side
    1,209,532,457.72x = 1,223,957,414,506,324,224
  5. Step 5: Solve for x
    x = 1,223,957,414,506,324,224/1,209,532,457.72
  6. Step 6: Final answer
    x = 1,011,926,060.10

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Double scale
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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.