Home / 5,378,549,679.30-8,057,019,802.32-2,678,234,808.76

Finding the Fourth Proportional to 5,378,549,679.30, 8,057,019,802.32 and 2,678,234,808.76

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Solution

The fourth proportional to 5,378,549,679.30, 8,057,019,802.32 and 2,678,234,808.76 is: 4,011,972,032.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,378,549,679.30 : 8,057,019,802.32 = 2,678,234,808.76 : x
  2. Step 2: Convert to fraction form
    5,378,549,679.30/8,057,019,802.32 = 2,678,234,808.76/x
  3. Step 3: Cross multiply
    5,378,549,679.30x = 8,057,019,802.32 × 2,678,234,808.76
  4. Step 4: Simplify right side
    5,378,549,679.30x = 21,578,590,889,442,037,760
  5. Step 5: Solve for x
    x = 21,578,590,889,442,037,760/5,378,549,679.30
  6. Step 6: Final answer
    x = 4,011,972,032.63

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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.