Home / 876,876,008.94-1,210,088,473.47-524,451,992.76

Finding the Fourth Proportional to 876,876,008.94, 1,210,088,473.47 and 524,451,992.76

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Solution

The fourth proportional to 876,876,008.94, 1,210,088,473.47 and 524,451,992.76 is: 723,743,499.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,876,008.94 : 1,210,088,473.47 = 524,451,992.76 : x
  2. Step 2: Convert to fraction form
    876,876,008.94/1,210,088,473.47 = 524,451,992.76/x
  3. Step 3: Cross multiply
    876,876,008.94x = 1,210,088,473.47 × 524,451,992.76
  4. Step 4: Simplify right side
    876,876,008.94x = 634,633,311,327,247,872
  5. Step 5: Solve for x
    x = 634,633,311,327,247,872/876,876,008.94
  6. Step 6: Final answer
    x = 723,743,499.49

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Half scale
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Double scale
Find fourth proportional to 876,876,009.94, 1,210,088,474.85 and 524,451,993.76
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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.