Home / 811,808,028.70-1,120,295,079.73-440,530,060.08

Finding the Fourth Proportional to 811,808,028.70, 1,120,295,079.73 and 440,530,060.08

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Solution

The fourth proportional to 811,808,028.70, 1,120,295,079.73 and 440,530,060.08 is: 607,931,482.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    811,808,028.70 : 1,120,295,079.73 = 440,530,060.08 : x
  2. Step 2: Convert to fraction form
    811,808,028.70/1,120,295,079.73 = 440,530,060.08/x
  3. Step 3: Cross multiply
    811,808,028.70x = 1,120,295,079.73 × 440,530,060.08
  4. Step 4: Simplify right side
    811,808,028.70x = 493,523,658,774,082,432
  5. Step 5: Solve for x
    x = 493,523,658,774,082,432/811,808,028.70
  6. Step 6: Final answer
    x = 607,931,482.97

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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.